Cyanosis differential diagnosis: Difference between revisions

Jump to navigation Jump to search
Line 5: Line 5:
{{CMG}}
{{CMG}}
==Overview==
==Overview==
== Differential Diagnosis of Central Cyanosis ==
== Differential diagnosis ==
* [[Abnormal hemoglobin]]
* [[Acute respiratory distress syndrome]]
* [[Alveolitis]]
* [[Atelectasis]]
* [[Atrial septal defect]]
* [[Bronchiectasis]]
* Central or peripheral respiratory paralysis
* Chronic [[bronchitis]]
* [[Congenital heart disease]]
* Decreased respiration with oversedation
* [[Double outlet right ventricle]]
* [[Emphysema]] <br>
* Foreign-body [[aspiration]]
* [[High altitude exposure]]
* [[Hypersensitivity pneumonitis]]
* [[Intoxication]]
* Intrapulmonary arteriovenous aneurysms
* [[Lung cancer]]
* [[Mediastinitis]]
* [[Patent ductus arteriosus]]
* [[Pickwickian syndrome]]
* [[Pleural Effusions]]
* [[Pneumoconiosis]]
* [[Poliomyelitis]]
* [[Polyneuropathy]]
* [[Primary alveolar hypoventilation]]
* Pulmonary arteriovenous fistulas
* [[Pulmonary edema]]
* [[Pulmonary embolism]]
* [[Pulmonary fibrosis]]
* [[Pulmonary hypertension]]
* Severe [[chronic obstructive pulmonary disease]] ([[COPD]]) or [[asthma]]
* Severe [[pneumonia]]
* Single ventricle
* [[Sleep apnea]]
* Tension [[pneumothorax]]
* [[Tetralogy of Fallot]]
* Toxins/poisons <br>
* [[Transposition of the great vessels]]
* [[Tuberculosis]]
* [[Ventricular septal defect]]
== Differential Diagnosis of Peripheral Cyanosis ==
* [[Ddx:Acrocyanosis|Acrocyanosis]]
* Arterial [[embolism]]
* [[Arrhythmia]]
* [[Cardiomyopathy]]
* [[Cold exposure]]
* [[Congenital Heart Disease]]
* [[Congestive Heart Failure]]
* [[Endomyocardial fibrosis]]
* [[Heart tumors]]
* [[Hypertensive heart disease]]
* [[Mitral Stenosis]]
* [[Pericardial effusion]]
* [[Polycythemia vera]]
* [[Raynaud's Phenomenon]]
* [[Shock]]
* [[Superior vena cava obstruction]]
* [[Valvular disease]]
* Venous hypertension
* [[Venous stasis]]
 
==Differential diagnosis==
 
<span style="font-size:85%">'''Abbreviations:'''
<span style="font-size:85%">'''Abbreviations:'''
AP= Anteroposterior, CXR= [[Chest X-ray]], CT= [[Computed tomography]], ABG= [[Arterial blood gas]], V/Q= [[Ventilation/perfusion scan]] , EKG= [[Electrocardiogram]], COPD= [[Chronic obstructive pulmonary disease]], BNP= [[Brain natriuretic peptide]], DVT= [[Deep vein thrombosis]], HRCT= [[High Resolution CT]], IgE= [[Immunoglobulin E]]</span>   
AP= Anteroposterior, CXR= [[Chest X-ray]], CT= [[Computed tomography]], ABG= [[Arterial blood gas]], V/Q= [[Ventilation/perfusion scan]] , EKG= [[Electrocardiogram]], COPD= [[Chronic obstructive pulmonary disease]], BNP= [[Brain natriuretic peptide]], DVT= [[Deep vein thrombosis]], HRCT= [[High Resolution CT]], IgE= [[Immunoglobulin E]]</span>   
Line 106: Line 42:
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
|-
|-
! rowspan="10" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Pulmonary disease|Pulmonary diseases]]
! rowspan="20" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Pulmonary disease|Pulmonary diseases]]
! rowspan="4" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Airway]] disorder
! rowspan="7" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Airway]] disorder
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Severe [[croup]]<ref name="Cherry20082">{{cite journal|last1=Cherry|first1=James D.|title=Croup|journal=New England Journal of Medicine|volume=358|issue=4|year=2008|pages=384–391|issn=0028-4793|doi=10.1056/NEJMcp072022}}</ref>
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Severe [[croup]]<ref name="Cherry20082">{{cite journal|last1=Cherry|first1=James D.|title=Croup|journal=New England Journal of Medicine|volume=358|issue=4|year=2008|pages=384–391|issn=0028-4793|doi=10.1056/NEJMcp072022}}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
Line 122: Line 58:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Steeple sign]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Steeple sign]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Distended [[hypopharynx]] during [[inspiration]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Distended [[hypopharynx]] during [[inspiration]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical findings
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Clinical findings
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Intercostal]] and [[subcostal]] [[retraction]], [[Barking cough]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Intercostal]] and [[subcostal]] [[retraction]], [[Barking cough]]
|-
|-
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Epiglottitis]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Epiglottitis]]<ref name="pmid23162404">{{cite journal| author=Abdallah C| title=Acute epiglottitis: Trends, diagnosis and management. | journal=Saudi J Anaesth | year= 2012 | volume= 6 | issue= 3 | pages= 279-81 | pmid=23162404 | doi=10.4103/1658-354X.101222 | pmc=3498669 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23162404  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
Line 141: Line 77:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thumbprint sign|Thumb sign]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Thumbprint sign|Thumb sign]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Laryngoscopy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Laryngoscopy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Muffled voice, [[Drooling]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Muffled voice, [[Drooling]]
|-
|-
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Foreign body aspiration]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Foreign body aspiration]]<ref name="pmid18682760">{{cite journal| author=Qureshi A, Behzadi A| title=Foreign-body aspiration in an adult. | journal=Can J Surg | year= 2008 | volume= 51 | issue= 3 | pages= E69-70 | pmid=18682760 | doi= | pmc=2496600 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18682760  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
Line 165: Line 101:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Mediastinitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Mediastinitis]]
|-
|-
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Bacterial tracheitis]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Bacterial tracheitis]]<ref name="pmid6869336">{{cite journal |vauthors=Liston SL, Gehrz RC, Siegel LG, Tilelli J |title=Bacterial tracheitis |journal=Am. J. Dis. Child. |volume=137 |issue=8 |pages=764–7 |date=August 1983 |pmid=6869336 |doi= |url=}}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
Line 179: Line 115:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Blood cultures|Blood culture]], [[Gram stain]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Blood cultures|Blood culture]], [[Gram stain]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Irregular [[Tracheal disease|tracheal]] margin
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Irregular [[Tracheal disease|tracheal]] margin
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Steeple sign]] (confusing)
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Steeple sign]] (confusing)
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Bronchoscopy|Laryngotracheobronchoscopy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Bronchoscopy|Laryngotracheobronchoscopy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Brassy [[cough]], [[Hoarseness]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Brassy [[cough]], [[Hoarseness]]
|-
|-
! rowspan="4" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Parenchymal lung disease|Parenchymal]]
![[Sleep apnea]]<ref name="pmid26336596">{{cite journal| author=Spicuzza L, Caruso D, Di Maria G| title=Obstructive sleep apnoea syndrome and its management. | journal=Ther Adv Chronic Dis | year= 2015 | volume= 6 | issue= 5 | pages= 273-85 | pmid=26336596 | doi=10.1177/2040622315590318 | pmc=4549693 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26336596  }}</ref>
| -
| +
| +
| -
| -
| -
| -
|Normal
|[[Polycythemia]]
|↓[[Oxygen|O2]], ↑[[CO2]]
|Normal
| -
|Normal
|Normal
![[Polysomnography]]
![[Polysomnography|'''Polysomnography''']]
![[Nightmares]], [[Snoring]]
|-
!Chronic [[bronchitis]]<ref name="pmid23204254">{{cite journal| author=Kim V, Criner GJ| title=Chronic bronchitis and chronic obstructive pulmonary disease. | journal=Am J Respir Crit Care Med | year= 2013 | volume= 187 | issue= 3 | pages= 228-37 | pmid=23204254 | doi=10.1164/rccm.201210-1843CI | pmc=4951627 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23204254  }}</ref>
| -
| +
| +
| +/-
| +/-
| +
| -
|[[Rales]], [[crackles]], [[Wheeze]]
|[[Leukocytosis]]
|↓[[Oxygen|O2]], ↑[[CO2]], [[Respiratory acidosis]]
![[Hypokalemia]], [[Hypernatremia]]
![[Gram stain]] of [[sputum]]
|Elongated [[heart]], Flattened [[Diaphragm|diaphragms]], Prominent [[hilar]] [[vasculature]]
![[Bronchial]] wall thickening with increased bronchovascular markings
| -
|[[High Resolution CT|HRCT]]
![[Productive cough]], [[Chest tightness]]
|-
![[Atelectasis]]<ref name="pmid12531090">{{cite journal |vauthors=Peroni DG, Boner AL |title=Atelectasis: mechanisms, diagnosis and management |journal=Paediatr Respir Rev |volume=1 |issue=3 |pages=274–8 |date=September 2000 |pmid=12531090 |doi=10.1053/prrv.2000.0059 |url=}}</ref>
| -
| +
| +
| -
| +
| -
| -
|Localized diminished [[breath sounds]], [[Wheeze]]
|[[Leukocytosis]]
|↓[[Oxygen|O2]], ↑[[CO2]], [[Respiratory acidosis]]
|Normal
| -
!Localized increased [[opacity]],
 
Deviation ''toward'' the [[atelectasis]]
!Local crowding of [[pulmonary vessels]] and [[bronchi]]
![[MRI]] for distinguishing obstructive from non-obstructive
|[[High Resolution CT|HRCT]]
![[Cough]]. [[Shallow breathing]]
|-
! rowspan="10" |[[Parenchymal lung disease|Parenchymal]]
[[Parenchymal lung disease|disorder]]
[[Parenchymal lung disease|disorder]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Pneumonia]]
![[Alveolitis]]<ref name="pmid1620846">{{cite journal |vauthors=Lee JS, Im JG, Ahn JM, Kim YM, Han MC |title=Fibrosing alveolitis: prognostic implication of ground-glass attenuation at high-resolution CT |journal=Radiology |volume=184 |issue=2 |pages=451–4 |date=August 1992 |pmid=1620846 |doi=10.1148/radiology.184.2.1620846 |url=}}</ref>
| +/-
| +
| +
| +
| +
| +/-
| -
![[Wheeze]], [[Crackles]]
|[[Leukocytosis]], [[Eosinophilia]]
|↓[[Oxygen|O2]], ↑[[CO2]]
|Normal
|↑[[ESR]], ↑[[CRP]]
!Scattered [[Opacity|opacities]], Fine reticulation
!Homogeneous [[Ground glass opacification on CT|ground-glass opacity]]
| -
|[[High Resolution CT|HRCT]] PLUS [[Physical examination|Clinical findings]]
![[Malaise]], [[Chills]], [[Headache]]
|-
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Pneumonia]]<ref name="pmid25165554">{{cite journal| author=Simonetti AF, Viasus D, Garcia-Vidal C, Carratalà J| title=Management of community-acquired pneumonia in older adults. | journal=Ther Adv Infect Dis | year= 2014 | volume= 2 | issue= 1 | pages= 3-16 | pmid=25165554 | doi=10.1177/2049936113518041 | pmc=4072047 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25165554  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
Line 194: Line 208:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Rales]], [[crackles]], [[Wheeze]], [[Pleural friction rub]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Rales]], [[Crackles]], [[Wheeze]], [[Pleural friction rub]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]], [[Pancytopenia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Leukocytosis]] with [[neutrophilia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hyponatremia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Hyponatremia]]
Line 205: Line 219:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Tachycardia]], [[Bradycardia]] ([[Legionella]])
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Tachycardia]], [[Bradycardia]] ([[Legionella]])
|-
|-
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Asthma]] (Late)
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Asthma]] (Late)<ref name="pmid19365260">{{cite journal |vauthors=Litonjua AA |title=Childhood asthma may be a consequence of vitamin D deficiency |journal=Curr Opin Allergy Clin Immunol |volume=9 |issue=3 |pages=202–7 |date=June 2009 |pmid=19365260 |doi=10.1097/ACI.0b013e32832b36cd |url=}}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
Line 224: Line 238:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Triad of [[asthma]], [[nasal polyps]], and [[rash]] is indicative of [[Aspirin desensitization|aspirin sensitivity]].
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Triad of [[asthma]], [[nasal polyps]], and [[rash]] is indicative of [[Aspirin desensitization|aspirin sensitivity]].
|-
|-
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cystic fibrosis]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cystic fibrosis]]<ref name="urlCystic fibrosis - Genetics Home Reference">{{cite web |url=https://ghr.nlm.nih.gov/condition/cystic-fibrosis |title=Cystic fibrosis - Genetics Home Reference |format= |work= |accessdate=}}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
Line 244: Line 258:
|-
|-
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[COPD]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[COPD]]
(Severe [[emphysema]])
(Severe [[emphysema]])<ref name="pmid25177479">{{cite journal| author=Qureshi H, Sharafkhaneh A, Hanania NA| title=Chronic obstructive pulmonary disease exacerbations: latest evidence and clinical implications. | journal=Ther Adv Chronic Dis | year= 2014 | volume= 5 | issue= 5 | pages= 212-27 | pmid=25177479 | doi=10.1177/2040622314532862 | pmc=4131503 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25177479  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
Line 252: Line 266:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Reduced breath sounds, [[Wheeze]], [[Inspiration|Inspiratory]] [[crackles]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Reduced [[breath sounds]], [[Wheeze]], [[Inspiration|Inspiratory]] [[crackles]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Polycythemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Polycythemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓[[Oxygen|O2]], ↑[[CO2]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |↓[[Oxygen|O2]], ↑[[CO2]]
Line 263: Line 277:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pulmonary hypertension]], [[Right heart failure]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Pulmonary hypertension]], [[Right heart failure]]
|-
|-
! rowspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Pulmonary vascular congestion|Pulmonary vascular disorders]]
![[Tuberculosis]]<ref name="OlalekanOluwaseun2015">{{cite journal|last1=Olalekan|first1=Adebimpe Wasiu|last2=Oluwaseun|first2=Faremi Ayodeji|last3=Oladele|first3=Hassan Abdul-Wasiu|last4=Akeem|first4=Adeyemi Damilare|title=Evaluation of electrolyte imbalance among tuberculosis patients receiving treatments in Southwestern Nigeria|journal=Alexandria Journal of Medicine|volume=51|issue=3|year=2015|pages=255–260|issn=20905068|doi=10.1016/j.ajme.2014.10.003}}</ref>
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Massive [[pulmonary embolism]]
| -
| +
| +
| +
| +
| +/-
| -
|Reduced [[breath sounds]], [[Wheeze]], [[Inspiration|Inspiratory]] [[crackles]]
|[[Leukocytosis]], ↑[[Lymphocyte]]
|↓[[Oxygen|O2]], ↑[[CO2]]
![[Hyponatremia]], [[Hyperkalemia]],  [[Hypochloremia]]
![[PPD]],
 
[[Interferon-gamma release assay|interferon-gamma release assay (IGRA)]]
!dense, homogeneous [[Consolidation (medicine)|parenchymal consolidation]]
![[Nodules]] with low-density centers and rim enhancement
![[Pet scan|Fluorodeoxyglucose positron emission tomography/CT (FDG PET/CT)]]
![[Sputum culture]], [[QuantiFERON-TB Gold|QuantiFERON-TB Gold (QFT)]]
![[Loss of appetite]], [[Night sweats]]
|-
![[Pulmonary fibrosis]]
| -
| +
| +
| -
| +
| +
| -
!
!
!
!
!
!
!
!
!
!
|-
![[Pneumoconiosis]]
| -
| +
| +
| -
| +/-
| +/-
| -
!
!
!
!
!
!
!
!
!
!
|-
![[Lung cancer]]
| -
| +
| +
| -
| +/-
| +
| -
!
!
!
!
!
!
!
!
!
!
|-
![[Acute respiratory distress syndrome]]
| -
| +
| +
| +/-
| +
| -
| -
!
!
!
!
!
!
!
!
!
!
|-
! rowspan="3" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Pulmonary vascular congestion|Pulmonary vascular disorders]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Massive [[pulmonary embolism]]<ref name="pmid23940438">{{cite journal| author=Bĕlohlávek J, Dytrych V, Linhart A| title=Pulmonary embolism, part I: Epidemiology, risk factors and risk stratification, pathophysiology, clinical presentation, diagnosis and nonthrombotic pulmonary embolism. | journal=Exp Clin Cardiol | year= 2013 | volume= 18 | issue= 2 | pages= 129-38 | pmid=23940438 | doi= | pmc=3718593 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23940438  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
Line 302: Line 413:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cerebral arteriovenous malformation]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Cerebral arteriovenous malformation]]
|-
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" colspan="2" rowspan="2" |[[Chest wall deformities|Chest wall disorders]]
![[Pulmonary hypertension]]
!
| +
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
|-
! colspan="2" rowspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Chest wall deformities|Chest wall disorders]]
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Flail chest]]<ref name="pmid17650694">{{cite journal |vauthors=Pettiford BL, Luketich JD, Landreneau RJ |title=The management of flail chest |journal=Thorac Surg Clin |volume=17 |issue=1 |pages=25–33 |date=February 2007 |pmid=17650694 |doi=10.1016/j.thorsurg.2007.02.005 |url=}}</ref>
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Flail chest]]<ref name="pmid17650694">{{cite journal |vauthors=Pettiford BL, Luketich JD, Landreneau RJ |title=The management of flail chest |journal=Thorac Surg Clin |volume=17 |issue=1 |pages=25–33 |date=February 2007 |pmid=17650694 |doi=10.1016/j.thorsurg.2007.02.005 |url=}}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
Line 317: Line 447:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |≥3 adjacent [[ribs]] with [[Rib fractures|segmental fractures]],  >5 adjacent [[Rib fracture|rib fractures]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |≥3 adjacent [[ribs]] with [[Rib fractures|segmental fractures]],  >5 adjacent [[Rib fracture|rib fractures]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Chest X-ray|CXR]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Chest X-ray|CXR]]
Line 360: Line 490:
| style="background:#4479BA; color: #FFFFFF;" align="center" |Additional findings
| style="background:#4479BA; color: #FFFFFF;" align="center" |Additional findings
|-
|-
! rowspan="10" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cardiovascular diseases]]
! rowspan="15" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cardiac disease|Cardiac diseases]]
! rowspan="7" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Congenital disorder|Congenital disorders]]
! rowspan="8" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Congenital disorder|Congenital disorders]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Atrioventricular canal defect (patient information)|Atrioventricular canal defect]]<ref name="pmid15227445">{{cite journal| author=Macris MP, Ott DA, Cooley DA| title=Complete atrioventricular canal defect: surgical considerations. | journal=Tex Heart Inst J | year= 1992 | volume= 19 | issue= 3 | pages= 239-43 | pmid=15227445 | doi= | pmc=326195 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15227445  }}</ref>
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Atrioventricular canal defect (patient information)|Atrioventricular canal defect]]<ref name="pmid15227445">{{cite journal| author=Macris MP, Ott DA, Cooley DA| title=Complete atrioventricular canal defect: surgical considerations. | journal=Tex Heart Inst J | year= 1992 | volume= 19 | issue= 3 | pages= 239-43 | pmid=15227445 | doi= | pmc=326195 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15227445  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +/-
Line 495: Line 625:
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Fatigue]], [[Sweating]], [[Pale skin|Pale]] or cool [[skin]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Fatigue]], [[Sweating]], [[Pale skin|Pale]] or cool [[skin]]
|-
|-
! rowspan="3" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Acquired disorder]]
![[Patent ductus arteriosus]]
| -
| +
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
|-
! rowspan="7" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Acquired disorder|Acquired disorders]]
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Heart failure]]<ref name="pmid27367736">{{cite journal| author=Inamdar AA, Inamdar AC| title=Heart Failure: Diagnosis, Management and Utilization. | journal=J Clin Med | year= 2016 | volume= 5 | issue= 7 | pages=  | pmid=27367736 | doi=10.3390/jcm5070062 | pmc=4961993 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27367736  }}</ref>
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Heart failure]]<ref name="pmid27367736">{{cite journal| author=Inamdar AA, Inamdar AC| title=Heart Failure: Diagnosis, Management and Utilization. | journal=J Clin Med | year= 2016 | volume= 5 | issue= 7 | pages=  | pmid=27367736 | doi=10.3390/jcm5070062 | pmc=4961993 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27367736  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
Line 553: Line 702:
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Dizziness]], [[Fatigue]], [[Lightheadedness]], [[Cold sweat]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Dizziness]], [[Fatigue]], [[Lightheadedness]], [[Cold sweat]]
|-
|-
! colspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Disease
![[Cardiogenic shock]]<ref name="pmid22675405">{{cite journal| author=Werdan K, Ruß M, Buerke M, Delle-Karth G, Geppert A, Schöndube FA et al.| title=Cardiogenic shock due to myocardial infarction: diagnosis, monitoring and treatment: a German-Austrian S3 Guideline. | journal=Dtsch Arztebl Int | year= 2012 | volume= 109 | issue= 19 | pages= 343-51 | pmid=22675405 | doi=10.3238/arztebl.2012.0343 | pmc=3364528 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22675405  }}</ref>
| style="background:#4479BA; color: #FFFFFF;" align="center" |Peripheral
| +/-
| style="background:#4479BA; color: #FFFFFF;" align="center" |Central
| +
| style="background:#4479BA; color: #FFFFFF;" align="center" |Dyspnea
| +
| style="background:#4479BA; color: #FFFFFF;" align="center" |Fever
| -
| style="background:#4479BA; color: #FFFFFF;" align="center" |Chest pain
| -
| style="background:#4479BA; color: #FFFFFF;" align="center" |Clubbing
| -
| style="background:#4479BA; color: #FFFFFF;" align="center" |Peripheral edema
| +
| style="background:#4479BA; color: #FFFFFF;" align="center" |Auscultation
![[Muffled heart sounds|Muffled heart sound]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |CBC
![[Anemia]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |ABG
|↓[[Oxygen|O2]], ↑[[CO2]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Electrolytes
|[[Hyperkalemia]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
|↓[[PaO2]] in [[pulse oximetry]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |X-ray
|Normal
! style="background:#4479BA; color: #FFFFFF;" align="center" |CT scan
|Normal
! style="background:#4479BA; color: #FFFFFF;" align="center" |Other
|[[Echocardiography]] 
| style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard
|[[Clinical]] findings
| style="background:#4479BA; color: #FFFFFF;" align="center" |Additional findings
![[Tachypnea]], [[Palpitation]], [[Hypotension]],
 
Weak [[pulse]]
|-
|-
! colspan="2" rowspan="3" |Central Nervous system
![[Cardiomyopathy]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Methemoglobinemia]]
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |✔
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
|
!
|
!
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
!
* [[CBC]]
!
* [[Peripheral smear]]
!
* [[Complete metabolic profile]]
!
* [[Hemoglobin electrophoresis]]
!
* [[Serum nitrite levels]]
!
* [[Pulse oximetry]]
* [[ABG's]]
* [[Drug screen]]
* [[LDH]]
|
|
|
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[CXR]]
* [[EKG]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Family history of methemoglobinemia or glucose-6-phosphate dehydrogenase (G6PD) deficiency is important to determine.
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Polycythemia]]
![[Heart tumors]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |✔
| +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
!
|
!
|
!
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
!
* [[CBC]]
!
** Raised all cell lines in primary and only raised erythrocytes in secondary polycythemia
!
* [[Pulse oximetry]]
!
* [[Erythropoietin levels (EPO)]]
!
* [[Ferritin levels]]
!
* [[ABG's]]
!
* [[Increased leukocyte alkaline phosphatase]]
* [[B12 levels]]
* [[JAK 2 mutation]]
|
|
|
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[CXR]]
* [[EKG]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Tenderness in the sternum may indicate transformation to acute myeloid leukemia and should be properly investigated.
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Breath holding spells
![[Mitral Stenosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |✔
| +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
|
!
|
!
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
!
* No confirmatory study
!
* [[CBC]]
!
* [[Serum ferritin]]
!
* [[Blood lead level]]
!
|
!
|
!
|
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* video-EEG monitoring can be use in non diagnostic cases.
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* Cyanotic breath-holding spells most commonly occur around 1 year of age with a range of six months to four years.
* Iron deficiency anemia is more prevalent in children with breath-holding spells.
|-
|-
! colspan="2" rowspan="3" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Miscellaneous
! rowspan="5" |[[Vascular disease]]
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Shock]]
! rowspan="3" |[[Arterial Insufficiency|Arterial disorders]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
![[Ddx:Acrocyanosis|Acrocyanosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + (septic shock)
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + (Cardiogenic shock)
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
|
!
|
!
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
!
* [[Complete metabolic profile]]
!
* [[CBC]]
!
* [[Cardiac enzymes]]
!
* [[ABG's]]
!
* [[Lactate]]
!
* [[BNP]]
!
* [[Renal function tests]]
!
* [[Coagulation studies and D-dimer level]]
|
|
|
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* [[Echocardiography]]
* [[Chest radiography]]
* [[Angiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Smoke inhalation
!Arterial [[embolism]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki>
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
!
|
!
|
!
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
!
[[CBC]]
!
[[Electrolytes]]
!
 
!
[[BUN and CR]],
!
 
!
[[Lactate levels]]
!
 
[[Toxicology screen]]
 
[[CO-oximetry]]
|
|
|
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
** [[CXR]]
** [[ECG]]
** [[Serial cardiac enzymes]] (in patients with chest pain)\
** [[Pulmonary function testing]]
** [[Direct laryngoscopy and fiberoptic bronchoscopy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* CO toxicity should be suspected in any patient who presents following smoke inhalation unless co-oximetry shows normal carboxyhemoglobin.
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Cold exposure
![[Raynaud's Phenomenon]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |✔
| +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |−
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
!
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
!
|
!
|
!
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
!
* [[Fingerstick glucose]] (Hyperglycemia)
!
*[[Electrocardiogram]] (ECG) may show J wave, sinus bradycardia and prolongation of all ECG intervals.
!
 
!
*[[Serum electrolytes]] (including potassium and calcium)
!
 
!
*[[BUN and creatinine]]
!
 
*[[Serum hemoglobin]], [[white blood cell]], and [[platelet]] counts ( Raised HCT due to volume contraction)
 
*[[Coagulation profile]] acidosis)
 
*[[Creatine kinase]] (Rhabdomylosis)
 
*[[Arterial blood gas]]
|
|
|
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* CXR
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* '''Mild hypothermia''': core temperature 32 to 35°C ; patient presents with confusion, tachycardia, and increased shivering.
 
*'''Moderate hypothermia''': 28 to 32°C  patient presents with lethargy, bradycardia and arrhythmia and decreased shivering.
 
*'''Severe hypothermia''': below 28°C patient presents with coma, hypotension, arrhythmia, pulmonary edema, and rigidity.
|-
|-
|}
! rowspan="2" |[[Venous insufficiency|Venous disorders]]
|}
![[Superior vena cava obstruction]]
 
| +
{| align="center"
| -
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
|-
|-
|
![[Venous stasis]]
{| style="border: 0px; font-size: 90%; margin: 3px;" align="center"
| +
! colspan="3" rowspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Causes of cyanosis
| -
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Cyanosis
!
| colspan="6" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Clinical manifestations/association'''
!
! colspan="3" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Diagnosis
!
! rowspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Additional
!
findings
!
!
!
!
!
!
!
!
!
!
!
|-
|-
| colspan="3" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Symptoms'''
! colspan="3" |Disease
! colspan="3" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" | Signs
|Peripheral
|Central
|Dyspnea
|Fever
|Chest pain
|Clubbing
|Peripheral edema
|Auscultation
!CBC
!ABG
!Electrolytes
!Other
!X-ray
!CT scan
!Other
|Gold standard
|Additional findings
|-
|-
! style="background:#4479BA; color: #FFFFFF;" align="center" |Peripheral
! colspan="2" rowspan="2" |[[Hematologic diseases]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Central
| colspan="1" rowspan="1" |[[Methemoglobinemia]]<ref name="pmid21954509">{{cite journal |vauthors=Ashurst J, Wasson M |title=Methemoglobinemia: a systematic review of the pathophysiology, detection, and treatment |journal=Del Med J |volume=83 |issue=7 |pages=203–8 |date=July 2011 |pmid=21954509 |doi= |url=}}</ref>
! style="background:#4479BA; color: #FFFFFF;" align="center" |Dyspnea
| -
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" | Fever
| +
! style="background:#4479BA; color: #FFFFFF;" align="center" |Chest pain
| +
! style="background:#4479BA; color: #FFFFFF;" align="center" |Clubbing
| +/-
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |Peripheral edema
| +
! style="background:#4479BA; color: #FFFFFF;" align="center" |Auscultation
| -
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" | Lab Findings
| -
! style="background:#4479BA; color: #FFFFFF;" align="center" |Imaging
|[[Wheezing]]
! style="background:#4479BA; color: #FFFFFF;" align="center" |Gold standard
|[[Anemia]], [[Methemoglobinemia]]
|Normal [[PaO2]], ↑[[Oxygen saturation|SaO2]], "Saturation gap"
|Normal
|↓[[Oxygen saturation|SaO2]] in [[pulse oximetry]]
|Normal
|Normal
|[[Echocardiography]] for ruling out other causes
|[[Oximetry|Co-oximetry]], [[Arterial blood gas|ABG]] paired with [[pulse oximetry]]. Serum [[methemoglobin]] levels
|[[Headache]], [[Altered mental status]], [[Delirium]], [[Seizure]], [[Coma]]
|-
|-
! rowspan="14" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Respiratory
|[[Polycythemia]]<ref name="pmid11841424">{{cite journal |vauthors=Spivak JL |title=The optimal management of polycythaemia vera |journal=Br. J. Haematol. |volume=116 |issue=2 |pages=243–54 |date=February 2002 |pmid=11841424 |doi= |url=}}</ref>
! rowspan="5" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Airway
| +
disorder
| +
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Severe [[croup]]<ref name="Cherry2008">{{cite journal|last1=Cherry|first1=James D.|title=Croup|journal=New England Journal of Medicine|volume=358|issue=4|year=2008|pages=384–391|issn=0028-4793|doi=10.1056/NEJMcp072022}}</ref>
| +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
|Normal
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |−
|↑[[RBC]], ↑[[WBC]], ↑[[Hemoglobin|HGB]], ↑[[Platelet|Plt]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
|↓[[Oxygen|O2]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Audible [[stridor]] at rest
|[[Hyperkalemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|↑[[Leukocyte alkaline phosphatase]], ↑[[Ferritin]], ↑[[Erythropoietin]]
* [[Lymphocytosis]]
|[[Arteriovenous malformation|AVM]], [[COPD]], [[pulmonary hypertension]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |AP Neck X ray for soft tissues:
|Normal
* [[Steeple sign]]
|[[Ultrasound|Abdominal ultrasound]] or renal vascular studies for ruling out [[renal artery stenosis]]
Lateral neck X ray:
|[[RBC]] mass (RCM) and [[Blood plasma|plasma volume]] measurement
* Distended [[hypopharynx]] during [[inspiration]]
|[[Itchiness]], [[Headache]]. [[Dizziness]]. [[Blurred vision]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Clinical diagnosis
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* Croupy cough and [[stridor]]
* Intercostal, subcostal retractions
|-
|-
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Epiglottitis]]
! colspan="2" rowspan="4" |[[Neurological disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
|[[Breath-holding spells]]<ref name="pmid25676645">{{cite journal| author=Goldman RD| title=Breath-holding spells in infants. | journal=Can Fam Physician | year= 2015 | volume= 61 | issue= 2 | pages= 149-50 | pmid=25676645 | doi= | pmc=4325862 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25676645  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Stridor]]
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|[[Wheezing]]
* [[Leukocytosis]] with [[neutrophilia]]
|[[Microcytic anemia|Hypochromic microcytic anemia]]
* Blood cultures
|↓[[Oxygen|O2]]
* Throat culture in intubated patients
|[[Hypocalcemia]], [[Hypokalemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Lateral neck X ray
|[[Iron deficiency]]
* [[Thumbprint sign]] (swollen epiglottis)
|Ruling out [[foreign body aspiration]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|Normal
* [[Laryngoscopy]]
|[[EEG]] monitoring
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|[[Clinical]] findings
* [[Sore Throat]]
|[[Fainting]], [[Twitching|Twitching muscles]], [[Seizure]]
* [[Dysphagia]]
* [[Odynophagia]]
* Muffled voice
* Drooling
 
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Coma]]
![[Seizure]]<ref name="pmid20689626">{{cite journal| author=Goldenberg MM| title=Overview of drugs used for epilepsy and seizures: etiology, diagnosis, and treatment. | journal=P T | year= 2010 | volume= 35 | issue= 7 | pages= 392-415 | pmid=20689626 | doi= | pmc=2912003 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20689626  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
|Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|↓[[Oxygen|O2]], ↑[[CO2]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|[[Hyponatremia]], [[Hypocalcemia|Hypo]]/[[Hypercalcemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
!↑[[Creatine kinase|CPK]], ↑[[LDH]],
|Normal
|Normal
|[[EEG]]
|[[EEG]]
|[[Fainting]], [[Tonic-clonic|Tonic-clonic movements]]
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Seizure|Seizure<nowiki/>s]]
![[Coma]]<ref name="pmid21190458">{{cite journal| author=Brown EN, Lydic R, Schiff ND| title=General anesthesia, sleep, and coma. | journal=N Engl J Med | year= 2010 | volume= 363 | issue= 27 | pages= 2638-50 | pmid=21190458 | doi=10.1056/NEJMra0808281 | pmc=3162622 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21190458  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
|[[Wheezing]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|↓[[Oxygen|O2]], ↑[[CO2]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| -
|Underlying [[disease]]
|Underlying [[disease]]
| -
![[Glasgow coma scale|Glasgow Coma Scale (GCS)]]
!Depressed [[brainstem]] reflexes, [[Agonal breathing]]
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Head trauma
![[Head trauma]]<ref name="pmid22033563">{{cite journal| author=McAllister TW| title=Neurobiological consequences of traumatic brain injury. | journal=Dialogues Clin Neurosci | year= 2011 | volume= 13 | issue= 3 | pages= 287-300 | pmid=22033563 | doi= | pmc=3182015 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22033563  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
|Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|↓[[Oxygen|O2]], ↑[[CO2]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|Normal
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| -
![[Skull fracture]]
![[Intracranial hemorrhage]]
![[MRI]]
![[CT scan]]
![[Nausea]], [[Hypertension]], [[Bradycardia]],[[Tachypnea]]
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Breath holding spells
! colspan="2" rowspan="4" |Miscellaneous
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
![[High altitude exposure]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| +
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
!
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
!
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
!
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
!
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
!
!
!
!
!
!
!
|-
|-
! colspan="2" rowspan="4" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Miscellaneous
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Septic shock]]<ref name="pmid28117397">{{cite journal| author=Hotchkiss RS, Moldawer LL, Opal SM, Reinhart K, Turnbull IR, Vincent JL| title=Sepsis and septic shock. | journal=Nat Rev Dis Primers | year= 2016 | volume= 2 | issue=  | pages= 16045 | pmid=28117397 | doi=10.1038/nrdp.2016.45 | pmc=5538252 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=28117397  }}</ref>
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Shock]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +/-
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Rales]], [[crackles]], [[Wheeze]], [[Pleural friction rub]]
! style="padding: 5px 5px; background: #F5F5F5;" align="center" |
|[[Leukocytosis]] with [[neutrophilia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|↓[[Oxygen|O2]], ↑[[CO2]], [[Metabolic acidosis]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Hyperkalemia]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|↑[[ESR]], ↑[[CRP]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|[[Consolidation (medicine)|Consolidation]]
|[[Pulmonary]] infiltration
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Echocardiography]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Blood culture]]
! style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Chills]], [[Hypothermia]], [[Loss of consciousness]]
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Smoke inhalation
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Smoke inhalation]]<ref name="pmid20161170">{{cite journal| author=Rehberg S, Maybauer MO, Enkhbaatar P, Maybauer DM, Yamamoto Y, Traber DL| title=Pathophysiology, management and treatment of smoke inhalation injury. | journal=Expert Rev Respir Med | year= 2009 | volume= 3 | issue= 3 | pages= 283-297 | pmid=20161170 | doi=10.1586/ERS.09.21 | pmc=2722076 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20161170  }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Wheezing]]
|[[Anemia]], [[Carboxyhemoglobin]]
|↓[[Oxygen|O2]], ↑[[CO2]], [[Respiratory acidosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Normal
|[[Pulse oximetry|CO-oximetry]]
|Diffuse [[Opacity|opacities]]
|[[Pulmonary]] infiltration
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Pulmonary function testing]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Bronchoscopy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Cough]], [[Hoarseness]], [[Hemoptysis]], [[Headache]], [[Fainting]]
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Cold exposure]]<ref>{{cite book | last = Marriott | first = Bernadette | title = Nutritional needs in cold and in high-altitude environments : applications for military personnel in field operations | publisher = National Academy Press | location = Washington, D.C | year = 1996 | isbn = 0-309-05484-2 }}</ref>
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +/-
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Normal
|[[Leukopenia]], ↑[[RBC]]
|↓[[Oxygen|O2]], ↑[[CO2]], [[Metabolic acidosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Hypokalemia]], [[Hypocalcemia]]
|Hyperglycemia, ↑[[Creatine kinase|CK]]
|Normal
|Normal
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Clinical]] findings
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
* '''Mild ('''32-35°C): [[Confusion]], [[tachycardia]], and increased ↑[[shivering]].
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Cold exposure
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |✔
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |−
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |−
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*[[Complete blood count|CBC]]
*Fingerstick glucose (Hyperglycemia)
*EKG-
**J wave
**Sinus bradycardia
**Prolongation of all ECG intervals.


*Serum electrolytes -K+ and calcium
*'''Moderate ('''28-32°C): [[Lethargy]], [[bradycardia]], [[arrhythmia]] and ↓[[shivering]].


*[[BUN]] and [[creatinine]]
*'''Severe (<'''28°C) [[Coma]], [[hypotension]], [[arrhythmia]], [[pulmonary edema]], and rigidity.
|-
|}
|}


*[[PT]], [[PTT]]
{| align="center"
 
*S. [[lactate]]
 
*ABG
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
*'''Mild hypothermia''': core temperature 32 to 35°C ;
**[[Confusion]]
**[[Tachycardia]]
**Increased shivering.
 
*'''Moderate hypothermia''': 28 to 32°C
**[[Lethargy]]
**[[Bradycardia]]
**[[Arrhythmia]]
**Decreased shivering.
 
*'''Severe hypothermia''': <28°C
**[[Coma]]
**[[Hypotension]]
**[[Arrhythmias|Arrhythmia]]
**[[Pulmonary edema]]
**Rigidity
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Drugs†
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | −
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|-
|-
|}
|
[[Seizure|<nowiki/>]]
|}
|}


==References==
==References==
{{Reflist|2}}
{{Reflist|2}}
[[Category:Needs content]]
[[Category:Needs content]]
[[Category:Dermatology]]
[[Category:Dermatology]]

Revision as of 20:51, 9 March 2018

Cyanosis Microchapters

Home

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Cyanosis from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Study of Choice

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

Chest X Ray

CT

MRI

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Cyanosis differential diagnosis On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

Images

American Roentgen Ray Society Images of Cyanosis differential diagnosis

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Cyanosis differential diagnosis

CDC on Cyanosis differential diagnosis

Cyanosis differential diagnosis in the news

Blogs on Cyanosis differential diagnosis

Directions to Hospitals Treating Cyanosis

Risk calculators and risk factors for Cyanosis differential diagnosis

Please help WikiDoc by adding content here. It's easy! Click here to learn about editing.

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Differential diagnosis

Abbreviations: AP= Anteroposterior, CXR= Chest X-ray, CT= Computed tomography, ABG= Arterial blood gas, V/Q= Ventilation/perfusion scan , EKG= Electrocardiogram, COPD= Chronic obstructive pulmonary disease, BNP= Brain natriuretic peptide, DVT= Deep vein thrombosis, HRCT= High Resolution CT, IgE= Immunoglobulin E

Diseases Cyanosis Clinical manifestations Para-clinical findings Gold standard Additional findings
Symptoms Physical examination
Lab Findings Imaging
Peripheral Central Dyspnea Fever Chest pain Clubbing Peripheral edema Auscultation CBC ABG Electrolytes Other X-ray CT scan Other
Pulmonary diseases Airway disorder Severe croup[1] + - + +/- - - - Stridor Lymphocytosis Normal Normal - Steeple sign Normal Distended hypopharynx during inspiration Clinical findings Intercostal and subcostal retraction, Barking cough
Epiglottitis[2] + - + + - - - Stridor Leukocytosis with neutrophilia Normal Normal - Thumb sign Normal - Laryngoscopy Muffled voice, Drooling
Foreign body aspiration[3] + - + - +/- - - Decreased breath sounds, Wheezing Normal Normal Normal - Hyperinflation, Atelectasis, Objects Foreign body entrapment with edema or granulation tissue - Bronchoscopy Mediastinitis
Bacterial tracheitis[4] + - + + + - - Inspiratory stridor Leukocytosis Normal Normal Blood culture, Gram stain Irregular tracheal margin Normal Steeple sign (confusing) Laryngotracheobronchoscopy Brassy cough, Hoarseness
Sleep apnea[5] - + + - - - - Normal Polycythemia O2, ↑CO2 Normal - Normal Normal Polysomnography Polysomnography Nightmares, Snoring
Chronic bronchitis[6] - + + +/- +/- + - Rales, crackles, Wheeze Leukocytosis O2, ↑CO2, Respiratory acidosis Hypokalemia, Hypernatremia Gram stain of sputum Elongated heart, Flattened diaphragms, Prominent hilar vasculature Bronchial wall thickening with increased bronchovascular markings - HRCT Productive cough, Chest tightness
Atelectasis[7] - + + - + - - Localized diminished breath sounds, Wheeze Leukocytosis O2, ↑CO2, Respiratory acidosis Normal - Localized increased opacity,

Deviation toward the atelectasis

Local crowding of pulmonary vessels and bronchi MRI for distinguishing obstructive from non-obstructive HRCT Cough. Shallow breathing
Parenchymal

disorder

Alveolitis[8] +/- + + + + +/- - Wheeze, Crackles Leukocytosis, Eosinophilia O2, ↑CO2 Normal ESR, ↑CRP Scattered opacities, Fine reticulation Homogeneous ground-glass opacity - HRCT PLUS Clinical findings Malaise, Chills, Headache
Pneumonia[9] - + + + + +/- - Rales, Crackles, Wheeze, Pleural friction rub Leukocytosis with neutrophilia Normal Hyponatremia - Entire lobe consolidated, Air bronchograms Focal ground-glass opacity - HRCT Tachycardia, Bradycardia (Legionella)
Asthma (Late)[10] - + + - +/- +/- - End expiratory wheeze Eosinophilia O2, ↑CO2 Normal IgE Atelectasis Allergic bronchopulmonary aspergillosis, Bronchiectasis - Spirometry before and after bronchodilator Triad of asthma, nasal polyps, and rash is indicative of aspirin sensitivity.
Cystic fibrosis[11] + - +/- +/- + - Wheeze, Crackles Normal O2, ↑CO2 Increased sweat chloride Sweat chloride test Hyperinflation, Nodules Peribronchial thickening, Bronchiectasis - Sweat chloride test Absent vas deferens
COPD

(Severe emphysema)[12]

+ - + +/- + +/- +/- Reduced breath sounds, Wheeze, Inspiratory crackles Polycythemia O2, ↑CO2 Normal Alpha 1-antitrypsin test Elongated heart, Flattened diaphragms, Prominent hilar vasculature Bullae - HRCT Pulmonary hypertension, Right heart failure
Tuberculosis[13] - + + + + +/- - Reduced breath sounds, Wheeze, Inspiratory crackles Leukocytosis, ↑Lymphocyte O2, ↑CO2 Hyponatremia, Hyperkalemia, Hypochloremia PPD,

interferon-gamma release assay (IGRA)

dense, homogeneous parenchymal consolidation Nodules with low-density centers and rim enhancement Fluorodeoxyglucose positron emission tomography/CT (FDG PET/CT) Sputum culture, QuantiFERON-TB Gold (QFT) Loss of appetite, Night sweats
Pulmonary fibrosis - + + - + + -
Pneumoconiosis - + + - +/- +/- -
Lung cancer - + + - +/- + -
Acute respiratory distress syndrome - + + +/- + - -
Pulmonary vascular disorders Massive pulmonary embolism[14] + - + +/- + - +/- Reduced breath sounds, Crackles, Loud P2 Leukocytosis O2, ↑CO2, Respiratory acidosis Normal D-dimer, BNP Fleischner sign, Hampton hump, Westermark sign, Pleural effusion  Filling defects in the pulmonary vasculature Spiral CT pulmonary angiogram Spiral CT pulmonary angiogram Tachycardia, Shock, Pulmonary hypertension
Pulmonary arterio-venous malformation[15][16][17] - + + - + + - Pulmonary bruit Normal O2, ↑CO2, Respiratory acidosis Normal - One or more rounded or multilobular opacities Connecting vessel in hilum Magnetic resonance angiography, Echocardiography Contrast enhanced magnetic resonance angiography  Cerebral arteriovenous malformation
Pulmonary hypertension +
Chest wall disorders Flail chest[18] + - + - + - - Normal Normal O2, ↑CO2 Normal - ≥3 adjacent ribs with segmental fractures, >5 adjacent rib fractures Normal - CXR Bruises over chest
Pneumothorax[19] + - + - + - - Diminished breath sounds Normal O2, ↑CO2 Normal - No lung marking on one side, Collapsed lung Loculated air in thoracic cavity M-mode ultrasonography Chest CT scan Tachypnea
Disease Peripheral Central Dyspnea Fever Chest pain Clubbing Peripheral edema Auscultation CBC ABG Electrolytes Other X-ray CT scan Other Gold standard Additional findings
Cardiac diseases Congenital disorders Atrioventricular canal defect[20] +/- + + - +/- +/- - Wheezing,Holosystolic or systolic ejection murmur Normal Normal Normal Pulse oximetry Cardiomegaly, Increased pulmonary vascular markings Normal Echocardiography, MRI Echocardiography Tachypnea, Lack of appetite, Pale skin color, Excessive sweating
Ebstein anomaly[21] - + +/- - +/- - - Loud S1 Normal Normal Normal Pulse oximetry Cardiomegaly, "Box shape" heart Apical displacement of the septal and posterior leaflets of the tricuspid valve "Atrialisation" of the right ventricle in MRI, Tricuspid regurgitation in echocardiography Echocardiography Fatigue, Palpitations
Tetralogy of Fallot[22] - + +/- - +/- - - Harsh systolic murmur Normal Normal Normal Pulse oximetry "Boot-shaped" heart with an upturned cardiac apex Aortopulmonary collateral vessels Peripheral pulmonary stenosis and atresia in echocardiography Echocardiography Fainting, Palpitation
Pulmonic stenosis[23] - + + - + +/- - Crescendo-decrescendo ejection murmur Schistocyte O2 Normal Pulse oximetry Right ventricular hypertrophy, Dilated main pulmonary artery Stenotic segment, Post stenotic dilatation Severity of the stenosis by velocity encoded phase contrast (VEC) cine sequences Echocardiography Fainting, Palpitation
Total anomalous pulmonary venous connection[24] - + + - +/- +/- - Systolic murmur over the pulmonary area Normal O2 Normal Pulse oximetry Snowman sign Anomalous venous return Blind ended left atrium with no connecting veins in echocardiography Echocardiography Pounding heart, Weak pulse, Extreme sleepiness
Transposition of the great vessels[25] - + + - +/- +/- - Diastolic and Systolic murmur Normal O2 Normal Pulse oximetry Cardiomegaly with narrow superior mediastinum (egg on a string sign) Abnormal great vessel anatomy Flow dynamics on Steady-state free precession (SSFP) MRI Echocardiography Lack of appetite, Poor weight gain
Truncus arteriosus[26] - + +/- - +/- +/- - Holosystolic or ejection type murmur Normal O2 Normal Pulse oximetry Moderate cardiomegalypulmonary plethoraWidened mediastinum Single cardiac trunk Anomalous anatomy in MRI Echocardiography Fatigue, Sweating, Pale or cool skin
Patent ductus arteriosus - +
Acquired disorders Heart failure[27] + - + +/- + - + Coarse crackles, S3 Anemia O2, ↑CO2 Hyponatremia, Hypokalemia, Hypomagnesemia Elevated BNP Pleural effusion, Cardiomegaly Kerley B lines - Radioisotope scan Echocardiography Generalized edema, Hepatomegaly
Valvular heart disease[28] + - + - - - + Murmurs Schistocyte Normal Normal Hyperthyroidism Valve calcification - Valvular dysfunction in echocardiography Echocardiography Syncope, Palpitation
Myocardial infarction[29] - + + +/- + - - S3 and S4 Normal Normal Hyponatremia, Hypokalemia Elevated troponin I and CKMB Rolling out other causes Coronary luminal narrowing in CT perfusion scan Wall motion abnormality in echocardiography Cardiac troponin I Dizziness, Fatigue, Lightheadedness, Cold sweat
Cardiogenic shock[30] +/- + + - - - + Muffled heart sound Anemia O2, ↑CO2 Hyperkalemia PaO2 in pulse oximetry Normal Normal Echocardiography  Clinical findings Tachypnea, Palpitation, Hypotension,

Weak pulse

Cardiomyopathy - +
Heart tumors - +
Mitral Stenosis - +
Vascular disease Arterial disorders Acrocyanosis + -
Arterial embolism + -
Raynaud's Phenomenon + -
Venous disorders Superior vena cava obstruction + -
Venous stasis + -
Disease Peripheral Central Dyspnea Fever Chest pain Clubbing Peripheral edema Auscultation CBC ABG Electrolytes Other X-ray CT scan Other Gold standard Additional findings
Hematologic diseases Methemoglobinemia[31] - + + +/- + - - Wheezing Anemia, Methemoglobinemia Normal PaO2, ↑SaO2, "Saturation gap" Normal SaO2 in pulse oximetry Normal Normal Echocardiography for ruling out other causes Co-oximetry, ABG paired with pulse oximetry. Serum methemoglobin levels Headache, Altered mental status, Delirium, Seizure, Coma
Polycythemia[32] + + + +/- +/- + - Normal RBC, ↑WBC, ↑HGB, ↑Plt O2 Hyperkalemia Leukocyte alkaline phosphatase, ↑Ferritin, ↑Erythropoietin AVM, COPD, pulmonary hypertension Normal Abdominal ultrasound or renal vascular studies for ruling out renal artery stenosis RBC mass (RCM) and plasma volume measurement Itchiness, Headache. Dizziness. Blurred vision
Neurological disease Breath-holding spells[33] - + + - +/- - - Wheezing Hypochromic microcytic anemia O2 Hypocalcemia, Hypokalemia Iron deficiency Ruling out foreign body aspiration Normal EEG monitoring Clinical findings Fainting, Twitching muscles, Seizure
Seizure[34] - + + +/- - - - Normal Normal O2, ↑CO2 Hyponatremia, Hypo/Hypercalcemia CPK, ↑LDH, Normal Normal EEG EEG Fainting, Tonic-clonic movements
Coma[35] - + - - - - +/- Wheezing Normal O2, ↑CO2 Normal - Underlying disease Underlying disease - Glasgow Coma Scale (GCS) Depressed brainstem reflexes, Agonal breathing
Head trauma[36] - + + - - - - Normal Normal O2, ↑CO2 Normal - Skull fracture Intracranial hemorrhage MRI CT scan Nausea, Hypertension, Bradycardia,Tachypnea
Miscellaneous High altitude exposure +/- +
Septic shock[37] + - + + +/- - - Rales, crackles, Wheeze, Pleural friction rub Leukocytosis with neutrophilia O2, ↑CO2, Metabolic acidosis Hyperkalemia ESR, ↑CRP Consolidation Pulmonary infiltration Echocardiography Blood culture Chills, Hypothermia, Loss of consciousness
Smoke inhalation[38] +/- + + - + - - Wheezing Anemia, Carboxyhemoglobin O2, ↑CO2, Respiratory acidosis Normal CO-oximetry Diffuse opacities Pulmonary infiltration Pulmonary function testing Bronchoscopy Cough, Hoarseness, Hemoptysis, Headache, Fainting
Cold exposure[39] + - +/- - - - - Normal Leukopenia, ↑RBC O2, ↑CO2, Metabolic acidosis Hypokalemia, Hypocalcemia Hyperglycemia, ↑CK Normal Normal - Clinical findings

References

  1. Cherry, James D. (2008). "Croup". New England Journal of Medicine. 358 (4): 384–391. doi:10.1056/NEJMcp072022. ISSN 0028-4793.
  2. Abdallah C (2012). "Acute epiglottitis: Trends, diagnosis and management". Saudi J Anaesth. 6 (3): 279–81. doi:10.4103/1658-354X.101222. PMC 3498669. PMID 23162404.
  3. Qureshi A, Behzadi A (2008). "Foreign-body aspiration in an adult". Can J Surg. 51 (3): E69–70. PMC 2496600. PMID 18682760.
  4. Liston SL, Gehrz RC, Siegel LG, Tilelli J (August 1983). "Bacterial tracheitis". Am. J. Dis. Child. 137 (8): 764–7. PMID 6869336.
  5. Spicuzza L, Caruso D, Di Maria G (2015). "Obstructive sleep apnoea syndrome and its management". Ther Adv Chronic Dis. 6 (5): 273–85. doi:10.1177/2040622315590318. PMC 4549693. PMID 26336596.
  6. Kim V, Criner GJ (2013). "Chronic bronchitis and chronic obstructive pulmonary disease". Am J Respir Crit Care Med. 187 (3): 228–37. doi:10.1164/rccm.201210-1843CI. PMC 4951627. PMID 23204254.
  7. Peroni DG, Boner AL (September 2000). "Atelectasis: mechanisms, diagnosis and management". Paediatr Respir Rev. 1 (3): 274–8. doi:10.1053/prrv.2000.0059. PMID 12531090.
  8. Lee JS, Im JG, Ahn JM, Kim YM, Han MC (August 1992). "Fibrosing alveolitis: prognostic implication of ground-glass attenuation at high-resolution CT". Radiology. 184 (2): 451–4. doi:10.1148/radiology.184.2.1620846. PMID 1620846.
  9. Simonetti AF, Viasus D, Garcia-Vidal C, Carratalà J (2014). "Management of community-acquired pneumonia in older adults". Ther Adv Infect Dis. 2 (1): 3–16. doi:10.1177/2049936113518041. PMC 4072047. PMID 25165554.
  10. Litonjua AA (June 2009). "Childhood asthma may be a consequence of vitamin D deficiency". Curr Opin Allergy Clin Immunol. 9 (3): 202–7. doi:10.1097/ACI.0b013e32832b36cd. PMID 19365260.
  11. "Cystic fibrosis - Genetics Home Reference".
  12. Qureshi H, Sharafkhaneh A, Hanania NA (2014). "Chronic obstructive pulmonary disease exacerbations: latest evidence and clinical implications". Ther Adv Chronic Dis. 5 (5): 212–27. doi:10.1177/2040622314532862. PMC 4131503. PMID 25177479.
  13. Olalekan, Adebimpe Wasiu; Oluwaseun, Faremi Ayodeji; Oladele, Hassan Abdul-Wasiu; Akeem, Adeyemi Damilare (2015). "Evaluation of electrolyte imbalance among tuberculosis patients receiving treatments in Southwestern Nigeria". Alexandria Journal of Medicine. 51 (3): 255–260. doi:10.1016/j.ajme.2014.10.003. ISSN 2090-5068.
  14. Bĕlohlávek J, Dytrych V, Linhart A (2013). "Pulmonary embolism, part I: Epidemiology, risk factors and risk stratification, pathophysiology, clinical presentation, diagnosis and nonthrombotic pulmonary embolism". Exp Clin Cardiol. 18 (2): 129–38. PMC 3718593. PMID 23940438.
  15. Khurshid I, Downie GH (2002). "Pulmonary arteriovenous malformation". Postgrad Med J. 78 (918): 191–7. PMC 1742331. PMID 11930021.
  16. Doshi HM, Robinson S, Chalhoub T, Jack S, Denison A, Gibson G (2009). "Massive spontaneous hemothorax during the immediate postpartum period". Tex Heart Inst J. 36 (3): 247–9. PMC 2696501. PMID 19568398.
  17. Chanatry BJ (1992). "Acute hemothorax owing to pulmonary arteriovenous malformation in pregnancy". Anesth. Analg. 74 (4): 613–5. PMID 1554132.
  18. Pettiford BL, Luketich JD, Landreneau RJ (February 2007). "The management of flail chest". Thorac Surg Clin. 17 (1): 25–33. doi:10.1016/j.thorsurg.2007.02.005. PMID 17650694.
  19. Luh SP (2010). "Review: Diagnosis and treatment of primary spontaneous pneumothorax". J Zhejiang Univ Sci B. 11 (10): 735–44. doi:10.1631/jzus.B1000131. PMC 2950234. PMID 20872980.
  20. Macris MP, Ott DA, Cooley DA (1992). "Complete atrioventricular canal defect: surgical considerations". Tex Heart Inst J. 19 (3): 239–43. PMC 326195. PMID 15227445.
  21. Safi LM, Liberthson RR, Bhatt A (September 2016). "Current Management of Ebstein's Anomaly in the Adult". Curr Treat Options Cardiovasc Med. 18 (9): 56. doi:10.1007/s11936-016-0478-2. PMID 27439413.
  22. Bailliard F, Anderson RH (2009). "Tetralogy of Fallot". Orphanet J Rare Dis. 4: 2. doi:10.1186/1750-1172-4-2. PMC 2651859. PMID 19144126.
  23. Yoo BW, Park HK (2013). "Pulmonary stenosis and pulmonary regurgitation: both ends of the spectrum in residual hemodynamic impairment after tetralogy of Fallot repair". Korean J Pediatr. 56 (6): 235–41. doi:10.3345/kjp.2013.56.6.235. PMC 3693041. PMID 23807889.
  24. Stein P (March 2007). "Total anomalous pulmonary venous connection". AORN J. 85 (3): 509–20, quiz 521–4. doi:10.1016/S0001-2092(07)60123-9. PMID 17352891.
  25. Martins P, Castela E (2008). "Transposition of the great arteries". Orphanet J Rare Dis. 3: 27. doi:10.1186/1750-1172-3-27. PMC 2577629. PMID 18851735.
  26. Van Praagh R (1987). "Truncus arteriosus: what is it really and how should it be classified?". Eur J Cardiothorac Surg. 1 (2): 65–70. PMID 2856609.
  27. Inamdar AA, Inamdar AC (2016). "Heart Failure: Diagnosis, Management and Utilization". J Clin Med. 5 (7). doi:10.3390/jcm5070062. PMC 4961993. PMID 27367736.
  28. Maganti K, Rigolin VH, Sarano ME, Bonow RO (2010). "Valvular heart disease: diagnosis and management". Mayo Clin Proc. 85 (5): 483–500. doi:10.4065/mcp.2009.0706. PMC 2861980. PMID 20435842.
  29. "Myocardial Infarction (Heart Attack): Symptoms - National Library of Medicine - PubMed Health".
  30. Werdan K, Ruß M, Buerke M, Delle-Karth G, Geppert A, Schöndube FA; et al. (2012). "Cardiogenic shock due to myocardial infarction: diagnosis, monitoring and treatment: a German-Austrian S3 Guideline". Dtsch Arztebl Int. 109 (19): 343–51. doi:10.3238/arztebl.2012.0343. PMC 3364528. PMID 22675405.
  31. Ashurst J, Wasson M (July 2011). "Methemoglobinemia: a systematic review of the pathophysiology, detection, and treatment". Del Med J. 83 (7): 203–8. PMID 21954509.
  32. Spivak JL (February 2002). "The optimal management of polycythaemia vera". Br. J. Haematol. 116 (2): 243–54. PMID 11841424.
  33. Goldman RD (2015). "Breath-holding spells in infants". Can Fam Physician. 61 (2): 149–50. PMC 4325862. PMID 25676645.
  34. Goldenberg MM (2010). "Overview of drugs used for epilepsy and seizures: etiology, diagnosis, and treatment". P T. 35 (7): 392–415. PMC 2912003. PMID 20689626.
  35. Brown EN, Lydic R, Schiff ND (2010). "General anesthesia, sleep, and coma". N Engl J Med. 363 (27): 2638–50. doi:10.1056/NEJMra0808281. PMC 3162622. PMID 21190458.
  36. McAllister TW (2011). "Neurobiological consequences of traumatic brain injury". Dialogues Clin Neurosci. 13 (3): 287–300. PMC 3182015. PMID 22033563.
  37. Hotchkiss RS, Moldawer LL, Opal SM, Reinhart K, Turnbull IR, Vincent JL (2016). "Sepsis and septic shock". Nat Rev Dis Primers. 2: 16045. doi:10.1038/nrdp.2016.45. PMC 5538252. PMID 28117397.
  38. Rehberg S, Maybauer MO, Enkhbaatar P, Maybauer DM, Yamamoto Y, Traber DL (2009). "Pathophysiology, management and treatment of smoke inhalation injury". Expert Rev Respir Med. 3 (3): 283–297. doi:10.1586/ERS.09.21. PMC 2722076. PMID 20161170.
  39. Marriott, Bernadette (1996). Nutritional needs in cold and in high-altitude environments : applications for military personnel in field operations. Washington, D.C: National Academy Press. ISBN 0-309-05484-2.