Cyanosis causes: Difference between revisions

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{{Cyanosis}}
{{Cyanosis}}
{{CMG}}
{{CMG}}; {{AE}} {{CK}}
 
==Overview==
In [[central cyanosis]] saturation of [[oxygen]] is less than 85% when there is reduced hemoglobin more than 5g/dl following a [[intrapulmonary shunt]] or [[intracardiac shunt]] leading to mixing of arterial and venous [[ oxygen]] content. In [[peripheral cyanosis]], the saturation of [[oxygen]] is normal and there is [[peripheral capillary bed]] [[vasoconstriction]] due to low [[cardiac output]] state or [[sepsis]].
 
==Causes==
==Causes==
===Life Threatening Causes===
Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.
*[[Carbon monoxide poisoning]]<ref name="pmid19445736">{{cite journal |vauthors=Olson K, Smollin C |title=Carbon monoxide poisoning (acute) |journal=BMJ Clin Evid |volume=2008 |issue= |pages= |date=July 2008 |pmid=19445736 |pmc=2907971 |doi= |url=}}</ref>
*[[Cyanide poisoning]]<ref name="pmid29417853">{{cite journal |vauthors=Parker-Cote JL, Rizer J, Vakkalanka JP, Rege SV, Holstege CP |title=Challenges in the diagnosis of acute cyanide poisoning |journal=Clin Toxicol (Phila) |volume= |issue= |pages=1–9 |date=February 2018 |pmid=29417853 |doi=10.1080/15563650.2018.1435886 |url=}}</ref>
*[[Malathion]]
*[[Parathion]]
*[[Ethylene glycol]]
*[[Epiglottitis]]
*[[Foreign body aspiration]]<ref name="pmid14620600">{{cite journal |vauthors=Zoorob RJ, Campbell JS |title=Acute dyspnea in the office |journal=Am Fam Physician |volume=68 |issue=9 |pages=1803–10 |date=November 2003 |pmid=14620600 |doi= |url=}}</ref>
*[[Pulmonary embolism]]<ref name="pmid6021453">{{cite journal |vauthors=Just-Viera JO, Norwood T, Yeager GH |title=Importance of shock and cyanosis in pulmonary embolism |journal=Ann. Surg. |volume=165 |issue=4 |pages=528–35 |date=April 1967 |pmid=6021453 |pmc=1617449 |doi= |url=}}</ref>
*[[Tension pneumothorax]]<ref name="pmid10407699">{{cite journal |vauthors=Barton ED |title=Tension pneumothorax |journal=Curr Opin Pulm Med |volume=5 |issue=4 |pages=269–74 |date=July 1999 |pmid=10407699 |doi= |url=}}</ref>
*[[Hemothorax]]
*[[Pulmonary hemorrhage]]
*[[Pulmonary hypertension]]<ref name="pmid18272123">{{cite journal |vauthors=Wang RF, Hung TY, Chong CF, Wang TL, Chen CC |title=Central cyanosis due to severe pulmonary hypertension combined with pericarditis as the initial manifestation of systemic lupus erythematosus |journal=Am J Emerg Med |volume=26 |issue=2 |pages=248.e1–2 |date=February 2008 |pmid=18272123 |doi=10.1016/j.ajem.2007.04.007 |url=}}</ref>
*[[Myocardial infarction]]
*[[Congestive heart failure]]
*[[Disseminated intravascular coagulation]]<ref name="pmid28722864">{{cite journal |vauthors=Costello RA, Nehring SM |title= |journal= |volume= |issue= |pages= |date= |pmid=28722864 |doi= |url=}}</ref>
*[[Tetralogy of fallot]]<ref name="pmid19144126">{{cite journal |vauthors=Bailliard F, Anderson RH |title=Tetralogy of Fallot |journal=Orphanet J Rare Dis |volume=4 |issue= |pages=2 |date=January 2009 |pmid=19144126 |pmc=2651859 |doi=10.1186/1750-1172-4-2 |url=}}</ref>
*[[Cardiac tamponade]]<ref name="pmid21716107">{{cite journal |vauthors=Bodson L, Bouferrache K, Vieillard-Baron A |title=Cardiac tamponade |journal=Curr Opin Crit Care |volume=17 |issue=5 |pages=416–24 |date=October 2011 |pmid=21716107 |doi=10.1097/MCC.0b013e3283491f27 |url=}}</ref>
*[[Eisenmenger syndrome]]<ref name="pmid4173631">{{cite journal |vauthors=Komine S |title=In vitro studies on the degradation and synthesis of serum proteins in placentae. I. Synthesis of serum proteins |journal=Nippon Juigaku Zasshi |volume=26 |issue=1 |pages=15–23 |date=February 1964 |pmid=4173631 |doi= |url=}}</ref>
*[[Anaphylaxis]]
*[[Birth asphyxia]]<ref name="pmid19727322">{{cite journal |vauthors=Steinhorn RH |title=Evaluation and management of the cyanotic neonate |journal=Clin Pediatr Emerg Med |volume=9 |issue=3 |pages=169–175 |date=September 2008 |pmid=19727322 |pmc=2598396 |doi=10.1016/j.cpem.2008.06.006 |url=}}</ref>
*[[Amniotic fluid embolism]]<ref name="pmid27275041">{{cite journal |vauthors=Kaur K, Bhardwaj M, Kumar P, Singhal S, Singh T, Hooda S |title=Amniotic fluid embolism |journal=J Anaesthesiol Clin Pharmacol |volume=32 |issue=2 |pages=153–9 |date= 2016 |pmid=27275041 |pmc=4874066 |doi=10.4103/0970-9185.173356 |url=}}</ref>
===Common Causes===
====Central Cyanosis====
There following are some of the common causes of central cyanosis:
*'''Conditions associated with decreased concentration of inspired oxygen (FiO2):'''<ref name="pmid21051109">{{cite journal |vauthors=Dueñas-Laita A, Burillo Putze G, Alonso JR, Bajo A, Climent B, Corral E, Felices F, Ferrer A, Hernández Frutos MP, Nogué S, Puiguriguer J |title=[Basis for the clinical management of fire smoke poisoning "Docohumo Madrid 2010"] |language=Spanish; Castilian |journal=Med Intensiva |volume=34 |issue=9 |pages=609–19 |date=December 2010 |pmid=21051109 |doi=10.1016/j.medin.2010.07.007 |url=}}</ref>
**[[Smoke inhalation]] most commonly from house fires
**[[Carbon monoxide poisoning]]
**Hydrogen [[cyanide poisoning]]
**Intentional or unintentional exposure to asphyxiating gases (eg, [[Propane]], [[methane]], [[Butane|butane,]] [[Hydrogen sulfide|hydrogen sulphide]])
*'''Impairment of chest wall or lung expansion:'''
**External compression
**[[Pneumothorax]]<ref name="pmid29083723">{{cite journal |vauthors=Costumbrado J, Ghassemzadeh S |title= |journal= |volume= |issue= |pages= |date= |pmid=29083723 |doi= |url=}}</ref>
**[[Hemothorax]]
**[[Flail chest]]
*'''Hypoventilation:'''
**'''Upper airway obstruction:''' <ref name="pmid29261942">{{cite journal |vauthors=Gossman WG, Burns B |title= |journal= |volume= |issue= |pages= |date= |pmid=29261942 |doi= |url=}}</ref><ref name="pmid14620600">{{cite journal |vauthors=Zoorob RJ, Campbell JS |title=Acute dyspnea in the office |journal=Am Fam Physician |volume=68 |issue=9 |pages=1803–10 |date=November 2003 |pmid=14620600 |doi= |url=}}</ref>
***[[Foreign body aspiration]]
***[[Pertussis]] / [[Croup]]
***[[Epiglottitis]]
***[[Tracheitis|Bacterial tracheitis]]
***Traumatic disruption (thermal injury, fractures)
***[[Acute chest syndrome]]<ref name="pmid29279787">{{cite journal |vauthors=Jain S, Bakshi N, Krishnamurti L |title=Acute Chest Syndrome in Children with Sickle Cell Disease |journal=Pediatr Allergy Immunol Pulmonol |volume=30 |issue=4 |pages=191–201 |date=December 2017 |pmid=29279787 |pmc=5733742 |doi=10.1089/ped.2017.0814 |url=}}</ref>
***Congenital airway abnormalities:
****[[Choanal atresia]]
****[[Laryngotracheomalacia]]
****[[Macroglossia]]
****[[Micrognathia]] or [[Retrognathism|retrognathia]] (eg, Pierre-Robin syndrome)
**'''Neurologic abnormalities:'''<ref name="pmid28722923">{{cite journal |vauthors=Kondamudi NP, Dulebohn SC |title= |journal= |volume= |issue= |pages= |date= |pmid=28722923 |doi= |url=}}</ref><ref name="pmid28722998">{{cite journal |vauthors=Kondamudi NP, Wilt AS |title= |journal= |volume= |issue= |pages= |date= |pmid=28722998 |doi= |url=}}</ref><ref name="pmid28722938">{{cite journal |vauthors=Memon J, Manganaro SN |title= |journal= |volume= |issue= |pages= |date= |pmid=28722938 |doi= |url=}}</ref>
***[[CNS depression]]
***[[Birth asphyxia]]
***Severe head trauma
***[[Apnea of prematurity]]
***[[Obstructive sleep apnea]]
***Infections (eg, [[meningitis]], [[encephalitis]])
***[[Intraventricular hemorrhage]]
***[[Seizure|Seizures]]
***Cyanotic breath holding spells<ref name="pmid28555179">{{cite journal |vauthors=Bergeron M, Cohen AP, Cotton RT |title=The Management of Cyanotic Spells in Children with Oesophageal Atresia |journal=Front Pediatr |volume=5 |issue= |pages=106 |date= 2017 |pmid=28555179 |pmc=5430373 |doi=10.3389/fped.2017.00106 |url=}}</ref>
***[[Coma]]
**'''Neuromuscular disorders:'''
***[[Myasthenia gravis]]
***Injury to the phrenic nerve
***Type 1 spinal muscular dystrophy (Wernig-Hoffman disease)
*'''Intrinsic lung diseases''':<ref name="pmid8575588">{{cite journal |vauthors=Maitre B, Similowski T, Derenne JP |title=Physical examination of the adult patient with respiratory diseases: inspection and palpation |journal=Eur. Respir. J. |volume=8 |issue=9 |pages=1584–93 |date=September 1995 |pmid=8575588 |doi= |url=}}</ref><ref name="pmid26760414">{{cite journal |vauthors=Hermansen CL, Mahajan A |title=Newborn Respiratory Distress |journal=Am Fam Physician |volume=92 |issue=11 |pages=994–1002 |date=December 2015 |pmid=26760414 |doi= |url=}}</ref><ref name="pmid21471096">{{cite journal |vauthors=Bishop NB, Stankiewicz P, Steinhorn RH |title=Alveolar capillary dysplasia |journal=Am. J. Respir. Crit. Care Med. |volume=184 |issue=2 |pages=172–9 |date=July 2011 |pmid=21471096 |pmc=3172887 |doi=10.1164/rccm.201010-1697CI |url=}}</ref><ref name="pmid28722988">{{cite journal |vauthors=Justice NA, Le JK |title= |journal= |volume= |issue= |pages= |date= |pmid=28722988 |doi= |url=}}</ref><ref name="pmid25274969">{{cite journal |vauthors=Reuter S, Moser C, Baack M |title=Respiratory distress in the newborn |journal=Pediatr Rev |volume=35 |issue=10 |pages=417–28; quiz 429 |date=October 2014 |pmid=25274969 |pmc=4533247 |doi=10.1542/pir.35-10-417 |url=}}</ref>
**[[Asthma]]
**[[COPD]]
**[[Pneumonia]]
**[[Bronchiolitis]]
**[[Acute respiratory distress syndrome|Respiratory distress syndrome]] (Hyaline membrane disease)
**[[Empyema]]
**[[Pleural effusion]]
**[[Cystic fibrosis]]
**[[Atelectasis]]
**[[Bronchopulmonary dysplasia]]
**[[Alveolar capillary dysplasia]]
*'''Vascular causes''':
**[[Cardiac tamponade]]
**'''Cyanotic congenital heart diseases (Right to left shunts):'''<ref name="pmid16199347">{{cite journal |vauthors=Woods WA, McCulloch MA |title=Cardiovascular emergencies in the pediatric patient |journal=Emerg. Med. Clin. North Am. |volume=23 |issue=4 |pages=1233–49 |date=November 2005 |pmid=16199347 |doi=10.1016/j.emc.2005.07.003 |url=}}</ref><ref name="pmid2407997">{{cite journal |vauthors=Driscoll DJ |title=Evaluation of the cyanotic newborn |journal=Pediatr. Clin. North Am. |volume=37 |issue=1 |pages=1–23 |date=February 1990 |pmid=2407997 |doi= |url=}}</ref><ref name="pmid19144126">{{cite journal |vauthors=Bailliard F, Anderson RH |title=Tetralogy of Fallot |journal=Orphanet J Rare Dis |volume=4 |issue= |pages=2 |date=January 2009 |pmid=19144126 |pmc=2651859 |doi=10.1186/1750-1172-4-2 |url=}}</ref>
***'''Decreased pulmonary flow:'''
****[[Tetralogy of Fallot|Tetralogy of fallot]]<ref name="pmid19144126">{{cite journal |vauthors=Bailliard F, Anderson RH |title=Tetralogy of Fallot |journal=Orphanet J Rare Dis |volume=4 |issue= |pages=2 |date=January 2009 |pmid=19144126 |pmc=2651859 |doi=10.1186/1750-1172-4-2 |url=}}</ref>
****Tricuspid valve anomalies:
*****[[Tricuspid atresia]]
*****[[Tricuspid stenosis]]
*****[[Ebstein's anomaly of the tricuspid valve|Ebstein's anomaly]]
****[[Pulmonary valve stenosis|Pulmonary stenosis]] (critical valvular)
****[[Pulmonary atresia]] with intact ventricular septum
***'''Increased pulmonary flow:'''
****[[TGA]] (Transposition of great arteries, most common dextro type)
****[[Truncus arteriosus]]
****[[Total anomalous pulmonary venous connection|TAPVC]] (Total anamalous pulmonary venous connection)
***'''Heart failure:'''  Conditions that present with cyanosis and  severe heart failure include:
****Left sided obstructive lesion ([[Hypoplastic left heart syndrome|HLHS]])
****[[Aortic coarctation|Coarctation of aorta]]
****Critical valvular [[aortic stenosis]]
**[[Eisenmenger's syndrome|Eisenmenger syndrome]]
**[[Congestive heart failure]]
**[[Atrial septal defect]]
**[[Pulmonary hypertension]]
**[[Pulmonary edema]]
**[[Pulmonary hemorrhage]]
**[[Pulmonary embolism]]
**Pulmonary arteriovenous malformations
**Multiple small intrapulmonary shunts
**[[Shock]]
**[[Sepsis]]
**[[Amniotic fluid embolism]]<ref name="pmid27275041">{{cite journal |vauthors=Kaur K, Bhardwaj M, Kumar P, Singhal S, Singh T, Hooda S |title=Amniotic fluid embolism |journal=J Anaesthesiol Clin Pharmacol |volume=32 |issue=2 |pages=153–9 |date= 2016 |pmid=27275041 |pmc=4874066 |doi=10.4103/0970-9185.173356 |url=}}</ref>
*'''Hematologic abnormalities:'''<ref name="pmid29439874">{{cite journal |vauthors=Martínez de Zabarte Fernández JM, García Íñiguez JP, Domínguez Cajal M |title=Metahemoglobinemia in infants over one year |journal=Med Clin (Barc) |volume= |issue= |pages= |date=February 2018 |pmid=29439874 |doi=10.1016/j.medcli.2017.12.009 |url=}}</ref>
**[[Methemoglobinemia]] (congenital or acquired)
**[[Sulfhemoglobinemia]] (acquired)
**Hemoglobin mutations with low oxygen affinity:
***Hb Kansas
***Hb Beth Israel
***Hb Saint Mande
***Hb Bruxells
**[[Polycythemia vera]]
**[[Disseminated intravascular coagulation]]
*'''Metabolic disorders:'''
**Severe [[hypoglycemia]]
**[[Inborn error of metabolism|Inborn errors of metabolism]]
*'''Miscellaneous''':
**[[:Category:Drugs|Drugs]] and [[Chemical substance|chemicals]]:<ref name="pmid29171648">{{cite journal |vauthors=Günal E, Akkuş Y, Çığşar G, Çiftçi H, Kahramanca Ş, Özdemir M |title=Methemoglobinemia incidence after the application of lidocaine for small surgical procedures |journal=Agri |volume=29 |issue=4 |pages=173–176 |date=October 2017 |pmid=29171648 |doi= |url=}}</ref><ref name="pmid15249969">{{cite journal |vauthors=Hilbert P, Zur Nieden K |title=[Suicidal fatal beta-blocker intoxication] |language=German |journal=Anaesthesist |volume=53 |issue=9 |pages=826–9 |date=September 2004 |pmid=15249969 |doi=10.1007/s00101-004-0721-1 |url=}}</ref>
***[[Beta blockers]]
***[[Nitrite]] or nitrate-containing compounds (eg, [[nitroglycerin]])
***[[Dapsone]]
***[[Sulfonamides]]
***[[Benzocaine]]
***[[Chloroquine]]
***[[Heroin]]
**Venomous [[snakebites]]<ref name="pmid25866646">{{cite journal |vauthors=Hifumi T, Sakai A, Kondo Y, Yamamoto A, Morine N, Ato M, Shibayama K, Umezawa K, Kiriu N, Kato H, Koido Y, Inoue J, Kawakita K, Kuroda Y |title=Venomous snake bites: clinical diagnosis and treatment |journal=J Intensive Care |volume=3 |issue=1 |pages=16 |date= 2015 |pmid=25866646 |pmc=4393627 |doi=10.1186/s40560-015-0081-8 |url=}}</ref>
**Brief resolved unexplained events (BRUE)<ref name="pmid28722926">{{cite journal |vauthors=Kondamudi NP, Virji M |title= |journal= |volume= |issue= |pages= |date= |pmid=28722926 |doi= |url=}}</ref>
**[[Altitude sickness|High altitude]]<ref name="pmid28613569">{{cite journal |vauthors=Jensen JD, Vincent AL |title= |journal= |volume= |issue= |pages= |date= |pmid=28613569 |doi= |url=}}</ref>
**[[Congenital diaphragmatic hernia]]
**[[Cirrhosis of liver]]
**[[Drowning]]
**Chocking
**Hanging
**[[Hypothermia]]
====Peripheral Cyanosis:====
There following are some of the common causes of peripheral cyanosis: <ref name="pmid27899893">{{cite journal |vauthors=Fardoun MM, Nassif J, Issa K, Baydoun E, Eid AH |title=Raynaud's Phenomenon: A Brief Review of the Underlying Mechanisms |journal=Front Pharmacol |volume=7 |issue= |pages=438 |date= 2016 |pmid=27899893 |pmc=5110514 |doi=10.3389/fphar.2016.00438 |url= |author=}}</ref><ref name="pmid24249890">{{cite journal |vauthors=Das S, Maiti A |title=Acrocyanosis: an overview |journal=Indian J Dermatol |volume=58 |issue=6 |pages=417–20 |date=November 2013 |pmid=24249890 |pmc=3827510 |doi=10.4103/0019-5154.119946 |url= |author=}}</ref>
*Various conditions that cause central cyanosis can also present with peripheral cyanosis.
*Common conditions where peripheral cyanosis is more specific:
**[[Hypothermia|Cold exposure]]
**[[Acrocyanosis]]
**[[Erythrocyanosis]]
**[[Raynaud's phenomenon]]
**[[Raynaud's disease]]
**Arterial obstruction:
***[[Peripheral arterial disease|Peripheral vascular disease]]
***[[Buergers disease]]
**Venous obstruction:
***[[Thromboembolism]]
***[[Deep vein thrombosis]]
***[[Superior vena cava syndrome]]
**Decreased cardiac output:
***[[Congestive heart failure|Left-sided heart failure]]
***[[Shock]]
***[[Hypovolemia]]
**Redistribution of blood flow from extremities
====Pseudocyanosis:====
*Metals:
**[[Silver nitrate]]
**[[Silver iodide]]
**[[Silver]]
**[[Lead]]
*Drugs:
**[[Phenothiazine|Phenothiazines]]
**[[Amiodarone]]
**[[Chloroquine|Chloroquine hydrochloride]]
*Pigmentary lesions (eg, [[Mongolian spot]]<nowiki/>s, large birthmarks)
*Extensive tattoos
*Consumption of blue or purple-dyed food
===Causes by Organ System===
===Causes by Organ System===
{|style="width:80%; height:100px" border="1"
{| style="width:80%; height:100px" border="1"
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular'''
| style="width:25%" bgcolor="LightSteelBlue" ; border="1" | '''Cardiovascular'''
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Aberrant subclavian artery abnormality ]], [[Acrocyanosis]], [[Air embolism]], [[Aotic arches defects]], [[Atrial myxoma]], [[Cassirer disease]], [[Complicated ventricular septal defect]], [[Congenitally uncorrected transposition of the great arteries]], [[Cor biloculare]], [[Cor triatrium]], [[Coronary artery anomaly]], [[Critical valvular aortic stenosis]], [[Crocq disease]], [[Deep vein thrombosis]], [[Double outlet right ventricle]], [[Ebstein anomaly]], [[Eisenmenger syndrome]], [[Erythrocyanosis]], [[Heart attack]], [[Heart failure]], [[HLHC]], [[Hypoplastic left heart syndrome]], [[Hypovolemia]], [[Interrupted aortic arch]], [[Isolated ventriculoarterial discordance]], Ivemark syndrome]], [[Meadow's syndrome]], [[Mitral atresia in infants]], [[Myocardial infarction]], [[Ostium primum atrial septal defect]], [[Partial atrioventricular canal]], [[Patent ductus arteriosus]], [[Patent foramen ovale]], [[Peripartum cardiomyopathy]], [[Peripheral vascular disease]], [[Phlegmasia alba dolens]], [[Pulmonary arteriovenous fistulas]], [[Pulmonary atresia]], [[Pulmonary stenosis]], [[Pulmonary venous return anomaly]], [[Respiratory muscle paralysis]], [[Right ventricle hypoplasia]], [[Shock]], [[Sneddon syndrome]], [[Subpulmonary stenosis]], [[Superior vena cava syndrome]], [[TAPVC]], [[Taussig Bing syndrome]], [[Tetralogy of Fallot]], [[Total anomalous pulmonary venous congestion]], [[Transposition of the great arteries]], [[Tricuspid atresia]], [[Tricuspid stenosis]], [[Truncus arteriosus]], [[Twisted atrioventricular connections]], [[Vascular malposition]], [[Vein of Galen aneurysm]], [[Ventriculoarterial discordance with atrioventricular concordance]], [[Weinstein Kliman Scully syndrome]]
| style="width:75%" bgcolor="Beige" ; border="1" | [[Aberrant subclavian artery]], [[acrocyanosis]], [[air embolism]], Al Gazali-Aziz-Salem syndrome, [[alveolar capillary dysplasia ]] , [[aortic arch anomalies|aortic arch defects]], [[aortic coarctation]], [[aortic stenosis]], [[thromboembolism|arterial occlusion]], [[atrial myxoma]], [[atrial septal defect]], Bindewald-Ulmer-Muller syndrome, [[Blalock-Taussig shunt]], [[Bland-White-Garland syndrome]], [[blue baby syndrome]], [[Buergers disease]], [[cardiac tamponade]], [[cardiomyopathy]], [[acrocyanosis|Cassirer disease]], [[cholesterol emboli syndrome]], [[cholesterol pneumonia]], [[congenital heart disease]], [[congestive heart failure]], [[cor biloculare]], [[cor triatriatum]], [[coronary artery anomaly]], [[aortic stenosis|critical valvular aortic stenosis]], [[Crocq disease]], [[cyanotic congenital heart disease]], [[deep vein thrombosis]], [[double inlet left ventricle]], [[double outlet right ventricle]], [[Ebstein anomaly]], [[Eisenmenger syndrome]], [[pulmonary capillary hemangiomatosis|familial pulmonary capillary hemangiomatosis]], [[heart attack]], [[hemothorax]], [[hypocalcemia]], [[hypoplastic left heart syndrome]], [[hypovolemia]], [[hypoxemia]], [[idiopathic pulmonary hypertension]], [[intermittent claudication]], [[ischemic heart disease]], isolated ventriculoarterial discordance, [[Ivemark syndrome]], [[Jervell and Lange-Nielsen syndrome]], Kugel-Stoloff syndrome, [[laryngeal edema]], [[superior vena cava syndrome|malignancy-related superior vena cava syndrome]], [[Marfan syndrome]], [[Meadows syndrome]], [[mitral atresia|mitral atresia in infants]], [[myocardial infarction]], [[atrioventricular canal|partial atrioventricular canal]], [[patent ductus arteriosus]], [[patent foramen ovale]], [[peripartum cardiomyopathy]], [[peripheral arterial disease]], [[pulmonary hypertension classification|persistent pulmonary hypertension of the newborn]], [[persistent truncus arteriosus]], [[phlegmasia cerulea dolens]], pseudocyanosis, [[pulmonary arteriovenous fistula]], [[pulmonary arteriovenous malformation]], [[pulmonary embolism]], [[pulmonary hypertension]], [[pulmonary stenosis]], [[pulmonary veno-occlusive disease]], [[TAPVC|pulmonary venous return anomaly]], [[hypoplastic right heart syndrome|right ventricle hypoplasia]], [[right ventricular outflow tract obstruction]], [[shock]], [[Sneddon syndrome]], [[pulmonary stenosis|subpulmonary stenosis]], [[superior vena cava syndrome]], [[TAPVC]], [[Taussig-Bing syndrome]], [[tetralogy of Fallot]], [[total anomalous pulmonary venous connection]], [[transposition of the great vessels]], [[tricuspid atresia]], [[tricuspid stenosis]], [[truncus arteriosus]], vascular malposition, [[vascular rings]], [[velocardiofacial syndrome]], [[ventricular septal defect]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Chemical / poisoning'''
| '''Chemical / poisoning'''
|bgcolor="Beige"| [[Acrodynia]], [[Anchovy ]], [[Apple seed]], [[Apricot seed]], [[Bitter almond poisoning]], [[Carbamates]], [[Chronic mercury exposure]], [[Clupeotoxin]], [[Cyanide]], [[Herring poisoning]], [[Hydrogen sulfide]], [[Lantana poisoning]], [[Lead]], [[Organophosphates]], [[Sea snake venom]], [[Silicosis ]], [[Silver]], [[Silver iodide]], [[Silver nitrate]], [[Stachybotrys chartarum exposure]]
| bgcolor="Beige" | [[trinitrotoluene|2,4,6-trinitrotoluene]], [[4-Nitrophenol]], [[list of poisonous plants|anchovy poisoning]], [[aniline]], [[anisidine]], [[antifreeze]], [[list of poisonous plants|apple seed poisoning]], [[list of poisonous plants|apricot seed poisoning]], [[arsine|arsine gas]], [[list of poisonous plants|bird cherry seed poisoning]], [[list of poisonous plants|bitter almond seed poisoning]], [[snakebites|brown snake poisoning]], [[carbamates]], [[chlorate salts]], [[chlorobenzene]], [[mercury|chronic mercury exposure]], clupeotoxin, [[cyanide poisoning]], [[demeton-S-methyl]], [[diazinon]], [[dichlorvos]], [[dicrotophos]], [[dinitrocresol]], [[dioxathion]], [[disulfoton]], [[endosulfan]], [[epichlorohydrin]], [[ethion]], [[ethylene glycol]], [[ethylene oxide]], [[ethylene]], [[fensulfothion]], [[fenthion]], [[methylmercury|herring poisoning]], [[hydrogen sulfide]], [[iron poisoning]], [[mimicry|lantana poisoning]], [[lead]], [[malathion]], [[methidathion]], [[methiocarb]], [[methomyl]], [[organophosphate poisoning]], [[paraquat]], [[parathion]], [[phosdrin]], [[profenofos]], [[propane]], [[snakebites|sea snake venom]], [[silver iodide]], [[silver nitrate]], [[silver]], [[smoke inhalation]], [[snakebites]], stachybotrys chartarum exposure, [[strychnine]], [[sulfur dioxide]], [[terbufos]], [[pyrophosphate|tetraethyl pyrophosphate]], [[tetrodotoxin]], [[thioglycolic acid]], [[trichloroethylene]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Dermatologic'''
| '''Dermatologic'''
|bgcolor="Beige"| [[Chromhidrosis]]
| bgcolor="Beige" | [[Acrodynia]], Al Gazali-Aziz-Salem syndrome, [[angioneurotic edema]], [[chromhidrosis]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Drug Side Effect'''
| '''Drug Side Effect'''
|bgcolor="Beige"| [[Acetaminophen and hydrocodone]], [[Acetaminophen and propoxyphene]], [[Amiodarone]], [[Beta blockers]], [[Chloroquine]], [[Codeine]], [[Dapsone]], [[Dilaudid]], [[Heroin]], [[Hydrocodone]], [[Lortab]], [[Meperidine]], [[Methadone]], [[Metoclopramide]], [[Morphine]], [[Nitrates]], [[Nitroglycerin]], [[Phenothiazines]], [[Primaquine ]], [[Sulfonamides]]
| bgcolor="Beige" | [[vicodin|Acetaminophen and hydrocodone]], [[amiodarone]], [[amyl nitrite]], [[benzocaine]], [[benzodiazepines]], [[beta blockers]],[[bicisate dihydrochloride]], [[bufotenin]], [[chloramphenicol]], [[chloroquine]], [[clonazepam]], [[clorazepate]], [[codeine]], [[dapsone]], [[desmopressin]], [[diazepam]], [[dilaudid]], [[gray baby syndrome]], [[hydrocodone]], [[hydroquinone]], [[ibuprofen]], [[Imipenem-Cilastatin]],[[lorazepam]], [[lortab]], maternal sedation, [[meperidine]], [[methadone]], [[metoclopramide]], [[midazolam]], [[morphine]], [[narcotics]], [[nitrates]], [[nitrazepam]], [[nitrites]], [[nitroglycerin]], [[oxazepam]], [[phenazopyridine]], [[phenol]], [[phenothiazines]], [[primaquine ]] , [[ribavirin]], [[rifampin]], [[sedatives]], [[sulfonamides]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Ear Nose Throat'''
| '''Ear Nose Throat'''
|bgcolor="Beige"| No underlying causes
| bgcolor="Beige" |[[Choanal atresia]], [[epiglottitis]], [[laryngomalacia]], [[laryngotracheomalacia]], [[Fryns syndrome|lethal chondrodysplasia Moerman type]], [[Ludwig's angina]], [[macroglossia]], [[microcephalic osteodysplastic primordial dwarfism type 1]], [[micrognathia]], [[Pierre Robin syndrome]], [[retrognathia]], [[craniofacial anomalies|syndromic microphthalmia type 9]], [[vocal cord paralysis]], [[Weinstein Kliman Scully syndrome]]
|-  
|-  
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Endocrine'''
| '''Endocrine'''
|bgcolor="Beige"| [[Hypoadrenalism]], [[Neonatal adrenal hemorrhage]]
| bgcolor="Beige" | [[Adrenal hemorrhage]], [[congenital hyperinsulinism]], [[hypoadrenalism]], [[hypocalcemia]], [[hypoglycemia]], [[hypomagnesemia]], [[Liddle's syndrome|pseudoaldosteronism]], [[hyperchloremic acidosis|type 1 pseudohypoaldosteronism]], [[Waterhouse-Friederichsen syndrome]], [[Weinstein Kliman Scully syndrome]]
|-  
|-  
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Environmental'''
| '''Environmental'''
|bgcolor="Beige"| [[Insect sting allergy]]
| bgcolor="Beige" | [[Asbestosis]], [[berylliosis]], [[coal worker's pneumoconiosis]], [[cold exposure]], [[hypersensitivity pneumonitis]], [[insect sting allergy]], [[pneumoconiosis]], [[Shaver's disease]], [[pneumoconiosis pathophysiology|silicosiderosis]], [[silicosis]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Gastroenterologic'''
| '''Gastroenterologic'''
|bgcolor="Beige"| [[Cirrhosis of liver]]
| bgcolor="Beige" | [[Boerhaave syndrome]], [[Cast syndrome]], [[cirrhosis of liver]], [[congenital diaphragmatic hernia]], [[cystic fibrosis]], [[duodenal atresia]], [[esophageal atresia]], [[tracheal disease|tracheal agenesis without tracheoesophageal fistula]], [[tracheoesophageal fistula]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Genetic'''
| '''Genetic'''
|bgcolor="Beige"| [[Acrofacial dysostosis, Rodriguez type]], [[Adams–Oliver syndrome]], [[Al Gazali-Aziz-Salem syndrome]], [[Anophthalmia - pulmonary hypoplasia]], [[Bindewald-Ulmer-Muller syndrome]], [[Congenital cyanosis]], [[Cystic fibrosis]], [[DiGeorge syndrome]], [[Matthew-Wood syndrome]], [[MCOPS9]], [[Microcephalic osteodysplastic primordial dwarfism type 1 ]], [[Pierre Robin's syndrome]], [[Sakati–Nyhan–Tisdale syndrome]], [[Short stature - webbed neck - heart disease]], [[Shprintzen syndorme]], [[Syndromic microphthalmia type 9]], [[Type 1 pseudohypoaldosteronism]], [[Velocardiofacial syndrome]]
| bgcolor="Beige" | [[1p36 deletion syndrome]], [[acrocephalopolysyndactyly]], [[acrofacial dysostosis]], [[benign familial neonatal convulsions]], [[22q11.2 deletion syndrome|chromosome 22q11 deletion]], [[cystic fibrosis]], [[DiGeorge syndrome]], [[HMG-CoA lyase deficiency]], [[Jervell and Lange-Nielsen syndrome]], [[Marfan syndrome]], [[microcephalic osteodysplastic primordial dwarfism type 1 ]] , [[Sakati syndrome]], [[Sakati-Nyhan-Tisdale syndrome]], [[Shprintzen syndrome]], [[velocardiofacial syndrome]], [[VLCAD deficiency]], [[Werdnig-Hoffman disease]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Hematologic'''
| '''Hematologic'''
|bgcolor="Beige"| [Congenital pulmonary lymphangiectasia ]], [[Methemoglobinemia]], [[Osler-Vaquez disease]], [[Polycythemia vera]], [[Sulfhemoglobinemia]], [[Vaquez disease]]
| bgcolor="Beige" | [[Blood transfusion]], [[cystic hygroma]], [[deep vein thrombosis]], [[disseminated intravascular coagulation]], [[hemoglobinopathy]], [[methemoglobinemia]], [[Osler-Vaquez disease]], [[phlegmasia alba dolens]], [[phlegmasia cerulea dolens]], [[polycythemia vera]], [[pulmonary embolism]], [[sulfhemoglobinemia]], [[polycythemia vera|Vaquez disease]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Iatrogenic'''
| '''Iatrogenic'''
|bgcolor="Beige"| [[Iatrogenic pneumothorax ]], [[Mendelson's syndrome]]
| bgcolor="Beige" | [[Mendelson's syndrome]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Infectious Disease'''
| '''Infectious Disease'''
|bgcolor="Beige"| [[Bronchiectasis]], [[Croup]], [[Legionnaires disease]], [[Lung abscess]], [[Streptococcal Group B invasive disease ]], [[Waterhouse-Friderichsen syndrome]], [[Western equine encephalitis]], [[Whooping cough]], [[Pneumonia]]
| bgcolor="Beige" | [[histoplasmosis|Acute histoplasmosis]], [[anthracosis]], [[bacterial tracheitis]], [[bordetella pertussis]], [[epiglottitis]], [[legionellosis]], [[legionnaire's disease]], [[Ludwig's angina]], [[melioidosis]], [[meningitis]], [[pertussis]], [[sepsis]], [[group B streptococcal infection|streptococcal group B invasive disease]] , [[Waterhouse-Friederichsen syndrome]], [[western equine encephalitis]], [[whooping cough]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Musculoskeletal / Ortho'''
| '''Musculoskeletal / Ortho'''
|bgcolor="Beige"| [[Congenital diaphragmatic hernia]], [[Diaphragmatic paralysis ]], [[Lethal chondrodysplasia Moerman type ]], [[Micrognathia]], [[Retrognathia]]
| bgcolor="Beige" | [[Adams–Oliver syndrome]], Al Gazali-Aziz-Salem syndrome, Bindewald-Ulmer-Muller syndrome, [[Isaac's syndrome]], [[Fryns syndrome|lethal chondrodysplasia Moerman type]], [[microcephalic osteodysplastic primordial dwarfism type 1]], [[neuromyotonia]], [[thoracic dystrophy]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Neurologic'''
| '''Neurologic'''
|bgcolor="Beige"| [[Hypoxic ischemic encephalopathy]], [[Intracranial hemorrhage]], [[Lsaacs' syndrome]], [[Neuromyotonia]], [[Tonic-clonic seizures]]
| bgcolor="Beige" | [[Adams-Oliver syndrome]], [[benign familial neonatal convulsions]], Bindewald-Ulmer-Muller syndrome, [[birth asphyxia]], [[cerebral hypoxia]], [[congenital central hypoventilation syndrome]], [[encephalitis]], [[head trauma]], [[cerebral hypoxia|hypoxic ischemic encephalopathy]], [[intracranial hemorrhage]], [[intraventricular hemorrhage]], [[Isaac's syndrome]], [[meningitis]], [[monomelic amyotrophy]], [[mountain sickness]], [[myasthenia gravis|neonatal myasthenia gravis]], [[neuromyotonia]], [[obstructive sleep apnea]], [[perinatal asphyxia]], [[phrenic nerve|phrenic nerve injury]], [[seizure]], [[sleep apnea]], [[sudden infant death syndrome]], [[suffocation]], [[tonic-clonic seizures]], [[vein of Galen|vein of Galen aneurysm]], [[vocal cord paralysis]], [[Werdnig-Hoffman disease]], [[western equine encephalitis]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Nutritional / Metabolic'''
| '''Nutritional / Metabolic'''
|bgcolor="Beige"| [[HMG-CoA lyase deficiency]], [[Hypoglycemia]], [[Hypomagnesemia]]
| bgcolor="Beige" | [[Dehydration]], diphosphoglycerate mutase deficiency, [[HMG-CoA lyase deficiency]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Obstetric/Gynecologic'''
| '''Obstetric/Gynecologic'''
|bgcolor="Beige"| No underlying causes
| bgcolor="Beige" | [[Meadows syndrome]], [[Mendelson's syndrome]], [[peripartum cardiomyopathy]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Oncologic'''
| '''Oncologic'''
|bgcolor="Beige"| No underlying causes
| bgcolor="Beige" |[[Cystic hygroma]], [[superior vena cava syndrome|malignancy-related superior vena cava syndrome]], [[Osler-Vaquez disease]], [[Pancoast tumor]], [[polycythemia vera]], [[polycythemia vera|Vaquez disease]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Opthalmologic'''
| '''Opthalmologic'''
|bgcolor="Beige"| No underlying causes
| bgcolor="Beige" | Matthew-Wood syndrome, [[Sneddon syndrome]], [[Weinstein Kliman Scully syndrome]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Overdose / Toxicity'''
| '''Overdose / Toxicity'''
|bgcolor="Beige"| [[Iron]], [[Acetaminophen and hydrocodone]], [[Acetaminophen and propoxyphene]], [[Amiodarone]], [[Beta blockers]], [[Chloroquine]], [[Codeine]], [[Dapsone]], [[Dilaudid]], [[Heroin]], [[Hydrocodone]], [[Lortab]], [[Meperidine]], [[Methadone]], [[Metoclopramide]], [[Morphine]], [[Nitrates]], [[Nitroglycerin]], [[Phenothiazines]], [[Primaquine ]], [[Sulfonamides]]
| bgcolor="Beige" |[[Drug overdose]], [[heroin]], [[phosdrin]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Psychiatric'''
| '''Psychiatric'''
|bgcolor="Beige"| No underlying causes
| bgcolor="Beige" |[[Congenital central hypoventilation syndrome]], [[shaken baby syndrome]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Pulmonary'''
| '''Pulmonary'''
|bgcolor="Beige"| [[Acute histoplasmosis]], [[Acute interstitial pneumonitis]], [[Airway obstruction ]], [[Alveolar capillary dysplasia ]], [[Anthracosis]], [[Asbestosis]], [[Berylliosis]], [[Birth asphyxia]], [[Bronchiolitis]], [[Bronchopulmonary dysplasia]], [[Bronchospasm]], [[Choanal atresia]], [[Chronic bronchitis]], [[Cold exposure]], [[Congenital laryngomalacia]], [[Decreased oxygen saturation ]], [[Emphysema]], [[Epiglottitis]], [[Extrinsic allergic alveolitis]], [[Familial interstitial fibrosis ]], [[Familial Pulmonary Capillary Hemangiomatosis]], [[Fibrosing alveolitis]], [[Goodpasture syndrome]], [[Hamman-Rich syndrome ]], [[Hemothorax]], [[Hypersensitivity pneumonitis]], [[Idiopathic diffuse interstitial pulmonary fibrosis]], [[Idiopathic pulmonary fibrosis]], [[Idiopathic pulmonary hemosiderosis]], [[Idiopathic subglottic tracheal stenosis ]], [[Infantile apnea]], [[Laryngeal cleft]], [[Meconium aspiration]], [[Obstructive sleep apnea]], [[Persistent pulmonary hypertension of the newborn]], [[Pleural effusion]], [, [[Pneumoconiosis]], [[Pneumonia]], [[Pneumothorax]], [[Pulmonary alveolar proteinosis]], [[Pulmonary edema]], [[Pulmonary embolism]], [[Pulmonary hemorrhage]], [[Pulmonary hypertension]], [[Respiratory depression]], [[Respiratory distress syndrome]], [[Sarcoidosis]], [[Sepsis]], [[Severe asthma]], [[Severe COPD]], [[Shallow breathing]], [[Shaver's disease]], [[Silicosiderosis]], [[Silicosis]], [[Spontaneous pneumothorax]], [[Suffocation]], [[Surfactant metabolism dysfunction]], [[Tracheal agenesis without tracheoesophageal fistula]], [[Tracheal stenosis syndromes]], [[Tracheoesophageal fistula with out esophageal fistula]], [[Transient tachypnea of the newborn]], [[Unilateral pulmonary agenesis]], [[Unilateral pulmonary hypoplasia]], [[Vascular rings]]
| bgcolor="Beige" | [[Acrocyanosis]], [[acute interstitial pneumonitis]], air leak syndromes, [[airway obstruction]], [[alveolar capillary dysplasia]], [[angioneurotic edema]], [[apnea of prematurity]], [[aspiration]], [[asthma]], [[atelectasis]], [[bacterial tracheitis]], [[Besnier-Boeck-Schaumann disease]], [[bronchiectasis]], [[bronchiolitis]], [[bronchopulmonary dysplasia]], [[bronchospasm]], [[acrocyanosis|Cassirer disease]], [[cholesterol pneumonia]], [[chronic bronchitis]], [[chronic obstructive pulmonary disease]], [[chylothorax]], [[community-acquired pneumonia]], [[congenital central hypoventilation syndrome]], [[congenital cystic adenomatoid malformation]], [[congenital pulmonary lymphangiectasia]], [[Crocq disease]], [[croup]], [[cystic fibrosis]], diaphragmatic paralysis, [[emphysema]], [[empyema]], [[epiglottitis]], erythrocyanosis, [[exercise-induced asthma]], [[extrinsic allergic alveolitis]], [[interstitial fibrosis|familial interstitial fibrosis]] , [[pulmonary capillary hemangiomatosis|familial pulmonary capillary hemangiomatosis]], [[fibrosing alveolitis]], [[flail chest]], [[foreign body aspiration]], [[Hamman-Rich syndrome ]] , [[hemothorax]], [[hyaline membrane disease]], [[hypersensitivity pneumonitis]], [[hypoventilation]], [[hypoxemia]], [[hypoxia (medical)]], [[idiopathic pulmonary fibrosis|idiopathic diffuse interstitial pulmonary fibrosis]], [[idiopathic pulmonary fibrosis]], [[idiopathic pulmonary hemosiderosis]], [[idiopathic pulmonary hypertension]], [[tracheal stenosis|idiopathic subglottic tracheal stenosis]] , [[infant respiratory distress syndrome]], [[infantile apnea]], [[interstitial lung disease]], laryngeal cleft, [[laryngeal edema]], [[laryngomalacia]], [[laryngotracheomalacia]], [[Fryns syndrome|lethal chondrodysplasia Moerman type]] , [[lobar emphysema]], [[lung abscess]], Matthew-Wood syndrome, [[meconium aspiration syndrome]], [[Mendelson's syndrome]], [[mountain sickness]], [[obstructive sleep apnea]], [[Pancoast tumor]], [[perinatal asphyxia]], [[Pickwickian syndrome]], [[Pierre Robin syndrome]], [[pleural effusion]], [[pneumoconiosis]], [[pneumonia]], [[pneumothorax]], pseudocyanosis, [[pulmonary alveolar proteinosis]], [[pulmonary arteriovenous fistula]], [[pulmonary arteriovenous malformation]], [[pulmonary artery sling]], [[pulmonary atresia]], [[pulmonary edema]], [[pulmonary embolism]], [[pulmonary fibrosis]], [[pulmonary hemorrhage]], [[pulmonary hypertension]], [[congenital pulmonary anomalies|pulmonary hypoplasia]], [[respiratory depression]], [[respiratory distress syndrome]], [[respiratory failure]], respiratory muscle paralysis, [[sarcoidosis]], [[Shaver's disease]], [[sleep apnea]], [[smoke inhalation]], [[spontaneous pneumothorax]], [[sudden infant death syndrome]], [[suffocation]], [[surfactant deficient disease|surfactant metabolism dysfunction]], [[tension pneumothorax]], [[tracheal disease|tracheal agenesis without tracheoesophageal fistula]], [[tracheal stenosis]], [[tracheoesophageal fistula]], [[transient tachypnea of the newborn]], [[unilateral pulmonary agenesis]], [[congenital pulmonary anomalies|unilateral pulmonary hypoplasia]], [[whooping cough]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Renal / Electrolyte'''
| '''Renal / Electrolyte'''
|bgcolor="Beige"| No underlying causes
| bgcolor="Beige" |[[Cholesterol emboli syndrome]], [[dehydration]], [[Goodpasture syndrome]], [[hypermagnesemia]], [[hypocalcemia]], [[hypomagnesemia]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Rheum / Immune / Allergy'''
| '''Rheum / Immune / Allergy'''
|bgcolor="Beige"| No underlying causes
| bgcolor="Beige" | [[Angioneurotic edema]], [[Besnier-Boeck-Schaumann disease]], [[Buergers disease]], [[DiGeorge syndrome]], [[extrinsic allergic alveolitis]], [[Goodpasture syndrome]], [[hypersensitivity pneumonitis]],  [[insect sting allergy]], [[laryngeal edema]], [[lupus]], [[myasthenia gravis|neonatal myasthenia gravis]], [[Raynaud's disease]], [[Raynaud's phenomenon]], [[sarcoidosis]], [[Shprintzen syndrome]], [[velocardiofacial syndrome]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Sexual'''
| '''Sexual'''
|bgcolor="Beige"| No underlying causes
| bgcolor="Beige" | [[Weinstein Kliman Scully syndrome]]
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Trauma'''
| '''Trauma'''
|bgcolor="Beige"| [[Drowning]], [[Flial chest]], [[Head trauma]], [[Penetrating chest wound]], [[Shaken baby syndrome]]
| bgcolor="Beige" | [[Flail chest]], [[head trauma]], [[hemothorax]], [[chest trauma|penetrating chest wounds]], [[shaken baby syndrome]], [[electrical injury|thermal injury]],
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Urologic'''
| '''Urologic'''
|bgcolor="Beige"| No underlying causes
| bgcolor="Beige" | No underlying causes
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Dental'''
| '''Dental'''
|bgcolor="Beige"| No underlying causes
| bgcolor="Beige" | No underlying causes
|-
|-
|-bgcolor="LightSteelBlue"
|- bgcolor="LightSteelBlue"
| '''Miscellaneous'''
| '''Miscellaneous'''
|bgcolor="Beige"| [[Dehydration]], [[High altitude]], [[Hypothermia]], [[Immobility]], [[Mountain sickness]], [[Pseudocyanosis]], [[Sudden infant death syndrome]]
| bgcolor="Beige" | [[Choking]], [[drowning]], [[strangling|hanging]], [[high altitude]], [[hypothermia]], [[immobility]]
|-
|-
|}
|}


===Causes in Alphabetical Order===
===Causes in Alphabetical Order===
{{MultiCol}}
{{col-begin|width=80%}}
*[[Aberrant subclavian artery abnormality ]]
{{col-break|width=33%}}
*[[Acetaminophen and hydrocodone]]
*[[1p36 deletion syndrome]]
*[[Acetaminophen and propoxyphene]]
*[[trinitrotoluene|2,4,6-Trinitrotoluene]]
*[[4-Nitrophenol]]
*[[Aberrant subclavian artery]]
*[[vicodin|Acetaminophen and hydrocodone]]
*[[Acrocephalopolysyndactyly]]
*[[Acrocyanosis]]
*[[Acrocyanosis]]
*[[Acrodynia]]
*[[Acrodynia]]
*[[Acrofacial dysostosis, Rodriguez type]]
*[[Acrofacial dysostosis]]
*[[Acute histoplasmosis]]
*[[histoplasmosis|Acute histoplasmosis]]
*[[Acute interstitial pneumonitis]]
*[[Acute interstitial pneumonitis]]
*[[Adams–Oliver syndrome]]
*[[Adams-Oliver syndrome]]
*[[Adrenal hemorrhage]]
*[[Air embolism]]
*[[Air embolism]]
*Air leak syndromes
*[[Airway obstruction ]]
*[[Airway obstruction ]]
*[[Al Gazali-Aziz-Salem syndrome]]
*Al Gazali-Aziz-Salem syndrome
*[[Alveolar capillary dysplasia ]]
*[[Alveolar capillary dysplasia ]]
*[[Amiodarone]]
*[[Amiodarone]]
*[[Anchovy ]]
*[[Amyl nitrite]]
*[[Anophthalmia - pulmonary hypoplasia]]
*[[list of poisonous plants|Anchovy poisoning]]
*[[Angioneurotic edema]]
*[[Aniline]]
*[[Anisidine]]
*[[Anthracosis]]
*[[Anthracosis]]
*[[Aotic arches defects]]
*[[Antifreeze]]
*[[Apple seed]]
*[[aortic arch anomalies|Aotic arch defects]]
*[[Apricot seed]]
*[[Aortic coarctation]]
*[[Aortic stenosis]]
*[[Apnea of prematurity]]
*[[list of poisonous plants|Apple seed poisoning]]
*[[list of poisonous plants|Apricot seed poisoning]]
*[[arsine|Arsine gas]]
*[[thromboembolism|Arterial occlusion]]
*[[Asbestosis]]
*[[Asbestosis]]
*[[Aspiration]]
*[[Asthma]]
*[[Atelectasis]]
*[[Atrial myxoma]]
*[[Atrial myxoma]]
*[[Atrial septal defect]]
*[[Bacterial tracheitis]]
*[[Benign familial neonatal convulsions]]
*[[Benzocaine]]
*[[Benzodiazepines]]
*[[Berylliosis]]
*[[Berylliosis]]
*[[Besnier-Boeck-Schaumann disease]]
*[[Beta blockers]]
*[[Beta blockers]]
*[[Bicisate dihydrochloride]]
*[[Bindewald-Ulmer-Muller syndrome]]
*[[Bindewald-Ulmer-Muller syndrome]]
*[[list of poisonous plants|Bird cherry seed poisoning]]
*[[Birth asphyxia]]
*[[Birth asphyxia]]
*[[Bitter almond poisoning]]
*[[list of poisonous plants|Bitter almond poisoning]]
*[[Blalock-Taussig shunt]]
*[[Bland-White-Garland syndrome]]
*[[Blood transfusion]]
*[[Blue baby syndrome]]
*[[Boerhaave syndrome]]
*[[Bordetella pertussis]]
*[[Bronchiectasis]]
*[[Bronchiectasis]]
*[[Bronchiolitis]]
*[[Bronchiolitis]]
*[[Bronchopulmonary dysplasia]]
*[[Bronchopulmonary dysplasia]]
*[[Bronchospasm]]
*[[Bronchospasm]]
*[[Buergers disease]]
*[[snakebites|Brown snake poisoning]]
*[[Bufotenin]]
*[[Carbamates]]
*[[Carbamates]]
*[[Cassirer disease]]
*[[Cardiac tamponade]]
*[[Cardiomyopathy]]
*[[acrocyanosis|Cassirer disease]]
*[[Cast syndrome]]
*[[Cerebral hypoxia]]
*[[Chloramphenicol]]
*[[Chlorate salts]]
*[[Chlorobenzene]]  
*[[Chloroquine]]
*[[Chloroquine]]
*[[Choanal atresia]]
*[[Choanal atresia]]
*[[Choking]]
*[[Cholesterol emboli syndrome]]
*[[Cholesterol pneumonia]]
*[[Chromhidrosis]]
*[[Chromhidrosis]]
*[[22q11.2 deletion syndrome|Chromosome 22q11 deletion]]
*[[Chronic bronchitis]]
*[[Chronic bronchitis]]
*[[Chronic mercury exposure]]
*[[mercury|Chronic mercury exposure]]
*[[Chronic obstructive pulmonary disease]]
*[[Chylothorax]]
*[[Cirrhosis of liver]]
*[[Cirrhosis of liver]]
*[[Clupeotoxin]]
*[[Clonazepam]]
*[[Clorazepate]]
*Clupeotoxin
*[[Coal worker's pneumoconiosis]]
*[[Codeine]]
*[[Codeine]]
*[[Cold exposure]]
*[[Cold exposure]]
*[[Complicated ventricular septal defect]]
*[[Community-acquired pneumonia]]
*[[Congenital cyanosis]]
*[[Congenital central hypoventilation syndrome]]
*[[Congenital cystic adenomatoid malformation]]
*[[Congenital diaphragmatic hernia]]
*[[Congenital diaphragmatic hernia]]
*[[Congenital laryngomalacia]]
*[[Congenital heart disease]]
*[[Congenital hyperinsulinism]]
*[[Congenital pulmonary lymphangiectasia ]]
*[[Congenital pulmonary lymphangiectasia ]]
*[[Congenitally uncorrected transposition of the great arteries]]
*[[Congestive heart failure]]
*[[Cor biloculare]]
*[[Cor biloculare]]
*[[Cor triatrium]]
*[[Cor triatriatum]]
*[[Coronary artery anomaly]]
*[[Coronary artery anomaly]]
*[[Critical valvular aortic stenosis]]
*[[aortic stenosis|Critical valvular aortic stenosis]]
*[[Crocq disease]]
*[[Crocq disease]]
*[[Croup]]
*[[Croup]]
*[[Cyanide]]
*[[Cyanide poisoning]]
*[[Cyanotic congenital heart disease]]
*[[Cystic fibrosis]]
*[[Cystic fibrosis]]
*[[Cystic hygroma]]
*[[Dapsone]]
*[[Dapsone]]
*[[Decreased oxygen saturation ]]
*[[Deep vein thrombosis]]
*[[Deep vein thrombosis]]
*[[Dehydration]]
*[[Dehydration]]
*[[Diaphragmatic paralysis ]]
*[[Demeton-S-methyl]]
*[[Desmopressin]]
*Diaphragmatic paralysis
*[[Diazepam]]
*[[Diazinon]]
*[[Dichlorvos]]
*[[Dicrotophos]]
*[[DiGeorge syndrome]]
*[[DiGeorge syndrome]]
*[[Dilaudid]]
*[[Dilaudid]]
*[[Dinitrocresol]]
*[[Dioxathion]]
*Diphosphoglycerate mutase deficiency
*[[Disseminated intravascular coagulation]]
*[[Disulfoton]]
*[[Double inlet left ventricle]]
*[[Double outlet right ventricle]]
*[[Double outlet right ventricle]]
*[[Drowning]]
*[[Drowning]]
{{col-break|width=33%}}
*[[Drug overdose]]
*[[Duodenal atresia]]
*[[Ebstein anomaly]]
*[[Ebstein anomaly]]
*[[Eisenmenger syndrome]]
*[[Eisenmenger syndrome]]
*[[Emphysema]]
*[[Emphysema]]
*[[Empyema]]
*[[Encephalitis]]
*[[Endosulfan]]
*[[Epichlorohydrin]]
*[[Epiglottitis]]
*[[Epiglottitis]]
*[[Erythrocyanosis]]
*Erythrocyanosis
*[[Esophageal atresia]]
*[[Ethion]]
*[[Ethylene]]
*[[Ethylene glycol]]
*[[Ethylene oxide]]
*[[Exercise-induced asthma]]
*[[Extrinsic allergic alveolitis]]
*[[Extrinsic allergic alveolitis]]
*[[Familial interstitial fibrosis ]]
*[[interstitial fibrosis|Familial interstitial fibrosis]]
*[[Familial Pulmonary Capillary Hemangiomatosis]]
*[[pulmonary capillary hemangiomatosis|Familial pulmonary capillary hemangiomatosis]]
*[[Fensulfothion]]
*[[Fenthion]]
*[[Fibrosing alveolitis]]
*[[Fibrosing alveolitis]]
*[[Flial chest]]
*[[Flail chest]]
*[[Foreign body aspiration]]
*[[Goodpasture syndrome]]
*[[Goodpasture syndrome]]
*[[Gray baby syndrome]]
*[[Hamman-Rich syndrome ]]
*[[Hamman-Rich syndrome ]]
{{ColBreak}}
*[[strangling|Hanging]]
*[[Head trauma]]
*[[Head trauma]]
*[[Heart attack]]
*[[Heart attack]]
*[[Heart failure]]
*[[Hemoglobinopathy]]
*[[Hemothorax]]
*[[Hemothorax]]
*[[Heroin]]
*[[Heroin]]
*[[Herring poisoning]]
*[[methylmercury|Herring poisoning]]
*[[High altitude]]
*[[High altitude]]
*[[HLHC]]
*[[HMG-CoA lyase deficiency]]
*[[HMG-CoA lyase deficiency]]
*[[Hyaline membrane disease]]
*[[Hydrocodone]]
*[[Hydrocodone]]
*[[Hydrogen sulfide]]
*[[Hydrogen sulfide]]
*[[Hydroquinone]]
*[[Hypermagnesemia]]
*[[Hypersensitivity pneumonitis]]
*[[Hypersensitivity pneumonitis]]
*[[Hypoadrenalism]]
*[[Hypoadrenalism]]
*[[Hypocalcemia]]
*[[Hypoglycemia]]
*[[Hypoglycemia]]
*[[Hypomagnesemia]]
*[[Hypomagnesemia]]
*[[Hypoplastic left heart syndrome]]
*[[Hypoplastic left heart syndrome]]
*[[Hypothermia]]
*[[Hypothermia]]
*[[Hypoventilation]]
*[[Hypovolemia]]
*[[Hypovolemia]]
*[[Hypoxic ischemic encephalopathy]]
*[[Hypoxemia]]
*[[Iatrogenic pneumothorax ]]
*[[Hypoxia (medical)]]
*[[Idiopathic diffuse interstitial pulmonary fibrosis]]
*[[cerebral hypoxia|Hypoxic ischemic encephalopathy]]
*[[Ibuprofen]]
*[[idiopathic pulmonary fibrosis|Idiopathic diffuse interstitial pulmonary fibrosis]]
*[[Idiopathic pulmonary fibrosis]]
*[[Idiopathic pulmonary fibrosis]]
*[[Idiopathic pulmonary hemosiderosis]]
*[[Idiopathic pulmonary hemosiderosis]]
*[[Idiopathic subglottic tracheal stenosis ]]
*[[Idiopathic pulmonary hypertension]]
*[[tracheal stenosis|Idiopathic subglottic tracheal stenosis]]
*[[Immobility]]
*[[Immobility]]
*[[Infantile apnea]]
*[[Infant respiratory distress syndrome]]
*[[apnea|Infantile apnea]]
*[[Insect sting allergy]]
*[[Insect sting allergy]]
*[[Intermittent claudication]]
*[[Interrupted aortic arch]]
*[[Interrupted aortic arch]]
*[[Interstitial lung disease]]
*[[Intracranial hemorrhage]]
*[[Intracranial hemorrhage]]
*[[Iron]]
*[[Intraventricular hemorrhage]]
*[[Isolated ventriculoarterial discordance]]
*[[Iron poisoning]]
*[[Isaac's syndrome]]
*[[Ischemic heart disease]]
*Isolated ventriculoarterial discordance
*[[Ivemark syndrome]]
*[[Ivemark syndrome]]
*[[Lantana poisoning]]
*[[Jervell and Lange-Nielsen syndrome]]
*[[Laryngeal cleft]]
*Kugel-Stoloff syndrome
*[[mimicry|Lantana poisoning]]
*Laryngeal cleft
*[[Laryngeal edema]]
*[[Laryngomalacia]]
*[[Laryngotracheomalacia]]
*[[Lead]]
*[[Lead]]
*[[Legionnaires disease]]
*[[Legionellosis]]
*[[Lethal chondrodysplasia Moerman type ]]
*[[Legionnaire's disease]]
*[[Fryns syndrome|Lethal chondrodysplasia Moerman type]]
*[[congenital pulmonary anomalies|Lobar emphysema]]
*[[Lorazepam]]
*[[Lortab]]
*[[Lortab]]
*[[Lsaacs' syndrome]]
*[[Ludwig's angina]]
*[[Lung abscess]]
*[[Lung abscess]]
*[[Lupus]]
*[[Lupus]]
*[[Matthew-Wood syndrome]]
*[[Macroglossia]]
*[[MCOPS9]]
*[[Malathion]]
*[[Meadow's syndrome]]
*[[superior vena cava syndrome|Malignancy-related superior vena cava syndrome]]
*[[Meconium aspiration]]
*[[Marfan syndrome]]
*Maternal sedation
*Matthew-Wood syndrome
*[[Meadows syndrome]]
*[[Meconium aspiration syndrome]]
*[[Melioidosis]]
*[[Mendelson's syndrome]]
*[[Mendelson's syndrome]]
*[[Meningitis]]
*[[Meperidine]]
*[[Meperidine]]
*[[Methadone]]
*[[Methadone]]
*[[Methemoglobinemia]]
*[[Methemoglobinemia]]
*[[Methidathion]]
*[[Methiocarb]]
*[[Methomyl]]
*[[Metoclopramide]]
*[[Metoclopramide]]
*[[Microcephalic osteodysplastic primordial dwarfism type 1 ]]
*[[Microcephalic osteodysplastic primordial dwarfism type 1]]
*[[Micrognathia]]
*[[Micrognathia]]
*[[Mitral atresia in infants]]
*[[Midazolam]]
*[[mitral atresia|Mitral atresia in infants]]
*[[Monomelic amyotrophy]]
*[[Morphine]]
*[[Morphine]]
*[[Mountain sickness]]
*[[Mountain sickness]]
*[[Myocardial infarction]]
*[[Myocardial infarction]]
*[[Neonatal adrenal hemorrhage]]
*[[Narcotics]]
*[[myasthenia gravis|Neonatal myasthenia gravis]]
*[[Neuromyotonia]]
*[[Neuromyotonia]]
*[[Nitrates]]
*[[Nitrates]]
*[[Nitrazepam]]
*[[Nitrites]]
*[[Nitroglycerin]]
*[[Nitroglycerin]]
*[[Obstructive sleep apnea]]
*[[Obstructive sleep apnea]]
*[[Organophosphates]]
*[[Organophosphate poisoning]]
*[[Osler-Vaquez disease]]
*[[Osler-Vaquez disease]]
*[[Ostium primum atrial septal defect]]
*[[Oxazepam]]
*[[Partial atrioventricular canal]]
*[[Pancoast tumor]]
{{col-break|width=33%}}
*[[Paraquat]]
*[[Parathion]]
*[[atrioventricular canal|Partial atrioventricular canal]]
*[[Patent ductus arteriosus]]
*[[Patent ductus arteriosus]]
*[[Patent foramen ovale]]
*[[Patent foramen ovale]]
*[[Penetrating chest wound]]
*[[chest trauma|Penetrating chest wounds]]
*[[Pergolide]]
*[[Perinatal asphyxia]]
*[[Peripartum cardiomyopathy]]
*[[Peripartum cardiomyopathy]]
*[[Peripheral vascular disease]]
*[[Peripheral arterial disease]]
*[[Persistent pulmonary hypertension of the newborn]]
*[[pulmonary hypertension classification|Persistent pulmonary hypertension of the newborn]]
*[[Persistent truncus arteriosus]]
*[[Pertussis]]
*[[Pneumothorax]]
*[[Phenazopyridine]]
*[[Phenol]]
*[[Phenothiazines]]
*[[Phenothiazines]]
*[[Phlegmasia alba dolens]]
*[[Phlegmasia alba dolens]]
*[[Pierre Robin's syndrome]]
*[[Phlegmasia cerulea dolens]]
*[[Phosdrin]]
*[[phrenic nerve|Phrenic nerve injury]]
*[[Pickwickian syndrome]]
*[[Pierre Robin syndrome]]
*[[Pleural effusion]]
*[[Pleural effusion]]
*[[Pneumoconiosis]]
*[[Pneumoconiosis]]
*[[Pneumonia]]
*[[Pneumonia]]
{{ColBreak}}
*[[Pneumothorax]]
*[[Pneumothorax]]
*[[Polycythemia vera]]
*[[Polycythemia vera]]
*[[Primaquine ]]
*[[Primaquine ]]
*[[Pseudocyanosis]]
*[[Profenofos]]
*[[Propane]]
*[[Liddle's syndrome|Pseudoaldosteronism]]
*Pseudocyanosis
*[[Pulmonary alveolar proteinosis]]
*[[Pulmonary alveolar proteinosis]]
*[[Pulmonary arteriovenous fistulas]]
*[[Pulmonary arteriovenous fistula]]
*[[Pulmonary arteriovenous malformation]]
*[[Pulmonary artery sling]]
*[[Pulmonary atresia]]
*[[Pulmonary atresia]]
*[[Pulmonary edema]]
*[[Pulmonary edema]]
*[[Pulmonary embolism]]
*[[Pulmonary embolism]]
*[[Pulmonary fibrosis]]
*[[Pulmonary hemorrhage]]
*[[Pulmonary hemorrhage]]
*[[Pulmonary hypertension]]
*[[Pulmonary hypertension]]
*[[congenital pulmonary anomalies|Pulmonary hypoplasia]]
*[[Pulmonary stenosis]]
*[[Pulmonary stenosis]]
*[[Pulmonary venous return anomaly]]
*[[Pulmonary veno-occlusive disease]]
*[[TAPVC|Pulmonary venous return anomaly]]
*[[Raynaud's disease]]
*[[Raynaud's phenomenon]]
*[[Raynaud's phenomenon]]
*[[Respiratory depression]]
*[[Respiratory depression]]
*[[Respiratory distress syndrome]]
*[[Respiratory distress syndrome]]
*[[Respiratory muscle paralysis]]
*[[Respiratory failure]]
*Respiratory muscle paralysis
*[[Retrognathia]]
*[[Retrognathia]]
*[[Right ventricle hypoplasia]]
*[[Ribavirin]]
*[[Sakati–Nyhan–Tisdale syndrome]]
*[[Rifampin]]
*[[hypoplastic right heart syndrome|Right ventricle hypoplasia]]
*[[Right ventricular outflow tract obstruction]]
*[[Sakati syndrome]]
*[[Sakati-Nyhan-Tisdale syndrome]]
*[[Sarcoidosis]]
*[[Sarcoidosis]]
*[[Sea snake venom]]
*[[snakebites|Sea snake venom]]
*[[Sedatives]]
*[[Seizure]]
*[[Sepsis]]
*[[Sepsis]]
*[[Severe asthma]]
*[[Severe COPD]]
*[[Shaken baby syndrome]]
*[[Shaken baby syndrome]]
*[[Shallow breathing]]
*[[Shaver's disease]]
*[[Shaver's disease]]
*[[Shock]]
*[[Shock]]
*[[Short stature - webbed neck - heart disease]]
*[[Shprintzen syndrome]]
*[[Shprintzen syndorme]]
*[[pneumoconiosis pathophysiology|Silicosiderosis]]
*[[Silicosiderosis]]
*[[Silicosis]]
*[[Silver]]
*[[Silver iodide]]
*[[Silver nitrate]]
*[[Sleep apnea]]
*[[Smoke inhalation]]
*[[Snakebites]]
*[[Sneddon syndrome]]
*[[Spontaneous pneumothorax]]
*Stachybotrys chartarum exposure
*[[Streptococcal Group B invasive disease]]
*[[Strychnine]]
*[[pulmonary stenosis|Subpulmonary stenosis]]
*[[Sudden infant death syndrome]]
*[[Suffocation]]
*[[Sulfhemoglobinemia]]
*[[Sulfonamides]]
*[[Sulfur dioxide]]
*[[Superior vena cava syndrome]]
*[[surfactant deficient disease|Surfactant metabolism dysfunction]]
*[[craniofacial anomalies|Syndromic microphthalmia type 9]]
*[[TAPVC]]
*[[Taussig-Bing syndrome]]
*[[Tension pneumothorax]]
*[[Terbufos]]
*[[Tetraethyl Pyrophosphate]]
*[[Tetralogy of Fallot]]
*[[Tetrodotoxin]]
*[[electrical injury|Thermal injury]]
*[[Thioglycolic acid]]
*[[arthrogryposis|Thoracic dystrophy]]
*[[Tonic-clonic seizures]]
*[[Total anomalous pulmonary venous connection]]
*[[tracheal disease|Tracheal agenesis without tracheoesophageal fistula]]
*[[Tracheal stenosis]]
*[[Tracheoesophageal fistula]]
*[[Transient tachypnea of the newborn]]
*[[Transposition of the great vessels]]
*[[Trichloroethylene]]
*[[Tricuspid atresia]]
*[[Tricuspid stenosis]]
*[[Truncus arteriosus]]
*[[hyperchloremic acidosis|Type 1 pseudohypoaldosteronism]]
*[[Unilateral pulmonary agenesis]]
*[[congenital pulmonary anomalies|Unilateral pulmonary hypoplasia]]
*[[polycythemia vera|Vaquez disease]]
*Vascular malposition
*[[Vascular rings]]
*[[Vein of Galen|Vein of Galen aneurysm]]
*[[Velocardiofacial syndrome]]
*[[Ventricular septal defect]]
*[[VLCAD deficiency]]
*[[Vocal cord paralysis]]
*[[Waterhouse-Friderichsen syndrome]]
*[[Weinstein Kliman Scully syndrome]]
*[[Werdnig-Hoffman disease]]
*[[Western equine encephalitis]]
*[[Whooping cough]]
{{col-end}}
 
===Causes of Cyanosis Based on Classification===
====Causes of Central Cyanosis====
{{col-begin|width=80%}}
{{col-break|width=33%}}
*[[1p36 deletion syndrome]]
*[[trinitrotoluene|2,4,6-Trinitrotoluene]]
*[[4-Nitrophenol]]
*[[Aberrant subclavian artery]]
*[[vicodin|Acetaminophen and hydrocodone]]
*[[Acrodynia]]
*[[Acrofacial dysostosis]]
*[[histoplasmosis|Acute histoplasmosis]]
*[[Acute interstitial pneumonitis]]
*[[Adams-Oliver syndrome]]
*[[Adrenal hemorrhage]]
*[[Air embolism]]
*Air leak syndromes
*[[Airway obstruction ]]
*Al Gazali-Aziz-Salem syndrome
*[[Alveolar capillary dysplasia ]]
*[[Amiodarone]]
*[[Amyl nitrite]]
*[[list of poisonous plants|Anchovy poisoning]]
*[[Angioneurotic edema]]
*[[Aniline]]
*[[Anisidine]]
*[[Anthracosis]]
*[[Antifreeze]]
*[[aortic arch anomalies|Aotic arch defects]]
*[[Aortic coarctation]]
*[[Aortic stenosis]]
*[[Apnea of prematurity]]
*[[list of poisonous plants|Apple seed poisoning]]
*[[list of poisonous plants|Apricot seed poisoning]]
*[[arsine|Arsine gas]]
*[[thromboembolism|Arterial occlusion]]
*[[Asbestosis]]
*[[Aspiration]]
*[[Atelectasis]]
*[[Atrial myxoma]]
*[[Atrial septal defect]]
*[[Bacterial tracheitis]]
*[[Benign familial neonatal convulsions]]
*[[Benzocaine]]
*[[Benzodiazepines]]
*[[Berylliosis]]
*[[Besnier-Boeck-Schaumann disease]]
*Bindewald-Ulmer-Muller syndrome
*[[list of poisonous plants|Bird cherry seed poisoning]]
*[[Birth asphyxia]]
*[[list of poisonous plants|Bitter almond poisoning]]
*[[Blalock-Taussig shunt]]
*[[Bland-White-Garland syndrome]]
*[[Blood transfusion]]
*[[Blue baby syndrome]]
*[[Boerhaave syndrome]]
*[[Bordetella pertussis]]
*[[Bronchiectasis]]
*[[Bronchiolitis]]
*[[Bronchopulmonary dysplasia]]
*[[Bronchospasm]]
*[[snakebites|Brown snake poisoning]]
*[[Bufotenin]]
*[[Carbamates]]
*[[Cardiac tamponade]]
*[[Cardiomyopathy]]
*[[acrocyanosis|Cassirer disease]]
*[[Cast syndrome]]
*[[Cerebral hypoxia]]
*[[Chloramphenicol]]
*[[Chlorate salts]]
*[[Chlorobenzene]]
*[[Chloroquine]]
*[[Choanal atresia]]
*[[Choking]]
*[[Cholesterol emboli syndrome]]
*[[Cholesterol pneumonia]]
*[[Chromhidrosis]]
*[[22q11.2 deletion syndrome|Chromosome 22q11 deletion]]
*[[Chronic bronchitis]]
*[[mercury|Chronic mercury exposure]]
*[[Chronic obstructive pulmonary disease]]
*[[Chylothorax]]
*[[Cirrhosis of liver]]
*[[Clonazepam]]
*[[Clorazepate]]
*Clupeotoxin
*[[Coal worker's pneumoconiosis]]
*[[Codeine]]
*[[Community-acquired pneumonia]]
*[[Congenital central hypoventilation syndrome]]
*[[Congenital cystic adenomatoid malformation]]
*[[Congenital diaphragmatic hernia]]
*[[Congenital heart disease]]
*[[Congenital hyperinsulinism]]
*[[Congenital pulmonary lymphangiectasia ]]
*[[Congestive heart failure]]
*[[Cor biloculare]]
*[[Cor triatriatum]]
*[[Coronary artery anomaly]]
*[[aortic stenosis|Critical valvular aortic stenosis]]
*[[Crocq disease]]
*[[Croup]]
*[[Cyanide poisoning]]
*[[Cyanotic congenital heart disease]]
*[[Cystic fibrosis]]
*[[Cystic hygroma]]
*[[Dapsone]]
*[[Deep vein thrombosis]]
*[[Dehydration]]
*[[Demeton-S-methyl]]
*[[Desmopressin]]
*Diaphragmatic paralysis
*[[Diazepam]]
*[[Diazinon]]
*[[Dichlorvos]]
*[[Dicrotophos]]
*[[DiGeorge syndrome]]
*[[Dilaudid]]
*[[Dinitrocresol]]
*[[Dioxathion]]
*Diphosphoglycerate mutase deficiency
*[[Disseminated intravascular coagulation]]
*[[Disulfoton]]
*[[Double inlet left ventricle]]
*[[Double outlet right ventricle]]
*[[Drowning]]
*[[Drug overdose]]
*[[Duodenal atresia]]
*[[Ebstein anomaly]]
{{col-break|width=33%}}
*[[Eisenmenger syndrome]]
*[[Emphysema]]
*[[Empyema]]
*[[Encephalitis]]
*[[Endosulfan]]
*[[Epichlorohydrin]]
*[[Epiglottitis]]
*[[Esophageal atresia]]
*[[Ethion]]
*[[Ethylene]]
*[[Ethylene glycol]]
*[[Ethylene oxide]]
*[[Exercise-induced asthma]]
*[[Extrinsic allergic alveolitis]]
*[[interstitial fibrosis|Familial interstitial fibrosis]]
*[[pulmonary capillary hemangiomatosis|Familial pulmonary capillary hemangiomatosis]]
*[[Fensulfothion]]
*[[Fenthion]]
*[[Fibrosing alveolitis]]
*[[Flail chest]]
*[[Foreign body aspiration]]
*[[Goodpasture syndrome]]
*[[Gray baby syndrome]]
*[[Hamman-Rich syndrome ]]
*[[strangling|Hanging]]
*[[Head trauma]]
*[[Heart attack]]
*[[Hemoglobinopathy]]
*[[Hemothorax]]
*[[Heroin]]
*[[methylmercury|Herring poisoning]]
*[[High altitude]]
*[[HMG-CoA lyase deficiency]]
*[[Hyaline membrane disease]]
*[[Hydrocodone]]
*[[Hydrogen sulfide]]
*[[Hydroquinone]]
*[[Hypermagnesemia]]
*[[Hypersensitivity pneumonitis]]
*[[Hypoadrenalism]]
*[[Hypocalcemia]]
*[[Hypoglycemia]]
*[[Hypomagnesemia]]
*[[Hypoplastic left heart syndrome]]
*[[Hypoventilation]]
*[[Hypovolemia]]
*[[Hypoxemia]]
*[[Hypoxia (medical)]]
*[[cerebral hypoxia|Hypoxic ischemic encephalopathy]]
*[[Ibuprofen]]
*[[idiopathic pulmonary fibrosis|Idiopathic diffuse interstitial pulmonary fibrosis]]
*[[Idiopathic pulmonary fibrosis]]
*[[Idiopathic pulmonary hemosiderosis]]
*[[Idiopathic pulmonary hypertension]]
*[[tracheal stenosis|Idiopathic subglottic tracheal stenosis]]
*[[Immobility]]
*[[Infant respiratory distress syndrome]]
*[[apnea|Infantile apnea]]
*[[Insect sting allergy]]
*[[Intermittent claudication]]
*[[Interrupted aortic arch]]
*[[Interstitial lung disease]]
*[[Intracranial hemorrhage]]
*[[Intraventricular hemorrhage]]
*[[Iron poisoning]]
*[[Isaac's syndrome]]
*[[Ischemic heart disease]]
*Isolated ventriculoarterial discordance
*[[Ivemark syndrome]]
*[[Jervell and Lange-Nielsen syndrome]]
*Kugel-Stoloff syndrome
*[[mimicry|Lantana poisoning]]
*Laryngeal cleft
*[[Laryngeal edema]]
*[[Laryngomalacia]]
*[[Laryngotracheomalacia]]
*[[Lead]]
*[[Legionellosis]]
*[[Legionnaire's disease]]
*[[Fryns syndrome|Lethal chondrodysplasia Moerman type]]
*[[congenital pulmonary anomalies|Lobar emphysema]]
*[[Lorazepam]]
*[[Lortab]]
*[[Ludwig's angina]]
*[[Lung abscess]]
*[[Lupus]]
*[[Macroglossia]]
*[[Malathion]]
*[[superior vena cava syndrome|Malignancy-related superior vena cava syndrome]]
*[[Marfan syndrome]]
*Maternal sedation
*Matthew-Wood syndrome
*[[Meadows syndrome]]
*[[Meconium aspiration syndrome]]
*[[Melioidosis]]
*[[Mendelson's syndrome]]
*[[Meningitis]]
*[[Meperidine]]
*[[Methadone]]
*[[Methemoglobinemia]]
*[[Methidathion]]
*[[Methiocarb]]
*[[Methomyl]]
*[[Metoclopramide]]
*[[Microcephalic osteodysplastic primordial dwarfism type 1]]
*[[Micrognathia]]
*[[Midazolam]]
*[[mitral atresia|Mitral atresia in infants]]
*[[Monomelic amyotrophy]]
*[[Morphine]]
*[[Mountain sickness]]
*[[Myocardial infarction]]
*[[Narcotics]]
*[[Neuromyotonia]]
*[[Nitrates]]
*[[Nitrazepam]]
*[[Nitrites]]
*[[Nitroglycerin]]
*[[Obstructive sleep apnea]]
*[[Organophosphate poisoning]]
*[[Osler-Vaquez disease]]
*[[Oxazepam]]
*[[Pancoast tumor]]
*[[Paraquat]]
{{col-break|width=33%}}
*[[Parathion]]
*[[atrioventricular canal|Partial atrioventricular canal]]
*[[Patent ductus arteriosus]]
*[[Patent foramen ovale]]
*[[chest trauma|Penetrating chest wounds]]
*[[Pergolide]]
*[[Perinatal asphyxia]]
*[[Peripartum cardiomyopathy]]
*[[Peripheral arterial disease]]
*[[pulmonary hypertension classification|Persistent pulmonary hypertension of the newborn]]
*[[Persistent truncus arteriosus]]
*[[Pertussis]]
*[[Pneumothorax]]
*[[Phenazopyridine]]
*[[Phenol]]
*[[Phenothiazines]]
*[[Phlegmasia alba dolens]]
*[[Phlegmasia cerulea dolens]]
*[[Phosdrin]]
*[[phrenic nerve|Phrenic nerve injury]]
*[[Pickwickian syndrome]]
*[[Pierre Robin syndrome]]
*[[Pleural effusion]]
*[[Pneumoconiosis]]
*[[Pneumonia]]
*[[Pneumothorax]]
*[[Polycythemia vera]]
*[[Primaquine ]]
*[[Profenofos]]
*[[Propane]]
*[[Liddle's syndrome|Pseudoaldosteronism]]
*Pseudocyanosis
*[[Pulmonary alveolar proteinosis]]
*[[Pulmonary arteriovenous fistula]]
*[[Pulmonary arteriovenous malformation]]
*[[Pulmonary artery sling]]
*[[Pulmonary atresia]]
*[[Pulmonary edema]]
*[[Pulmonary embolism]]
*[[Pulmonary fibrosis]]
*[[Pulmonary hemorrhage]]
*[[Pulmonary hypertension]]
*[[congenital pulmonary anomalies|Pulmonary hypoplasia]]
*[[Pulmonary stenosis]]
*[[Pulmonary veno-occlusive disease]]
*[[TAPVC|Pulmonary venous return anomaly]]
*[[Respiratory depression]]
*[[Respiratory distress syndrome]]
*[[Respiratory failure]]
*Respiratory muscle paralysis
*[[Retrognathia]]
*[[Ribavirin]]
*[[Rifampin]]
*[[hypoplastic right heart syndrome|Right ventricle hypoplasia]]
*[[Right ventricular outflow tract obstruction]]
*[[Sakati syndrome]]
*[[Sakati-Nyhan-Tisdale syndrome]]
*[[Sarcoidosis]]
*[[snakebites|Sea snake venom]]
*[[Sedatives]]
*[[Seizure]]
*[[Shaken baby syndrome]]
*[[Shaver's disease]]
*[[Shock]]
*[[Shprintzen syndrome]]
*[[pneumoconiosis pathophysiology|Silicosiderosis]]
*[[Silicosis]]
*[[Silicosis]]
*[[Silicosis ]]
*[[Silver]]
*[[Silver]]
*[[Silver iodide]]
*[[Silver iodide]]
*[[Silver nitrate]]
*[[Silver nitrate]]
*[[Sleep apnea]]
*[[Smoke inhalation]]
*[[Snakebites]]
*[[Sneddon syndrome]]
*[[Sneddon syndrome]]
*[[Spontaneous pneumothorax]]
*[[Spontaneous pneumothorax]]
*[[Stachybotrys chartarum exposure]]
*Stachybotrys chartarum exposure
*[[Streptococcal Group B invasive disease ]]
*[[Streptococcal Group B invasive disease]]
*[[Subpulmonary stenosis]]
*[[Strychnine]]
*[[pulmonary stenosis|Subpulmonary stenosis]]
*[[Sudden infant death syndrome]]
*[[Sudden infant death syndrome]]
*[[Suffocation]]
*[[Suffocation]]
*[[Sulfhemoglobinemia]]
*[[Sulfhemoglobinemia]]
*[[Sulfonamides]]
*[[Sulfonamides]]
*[[Sulfur dioxide]]
*[[Superior vena cava syndrome]]
*[[Superior vena cava syndrome]]
*[[Surfactant metabolism dysfunction]]
*[[surfactant deficient disease|Surfactant metabolism dysfunction]]
*[[Syndromic microphthalmia type 9]]
*[[craniofacial anomalies|Syndromic microphthalmia type 9]]
*[[TAPVC]]
*[[TAPVC]]
*[[Taussig Bing syndrome]]
*[[Taussig-Bing syndrome]]
*[[Tension pneumothorax]]
*[[Terbufos]]
*[[Tetraethyl Pyrophosphate]]
*[[Tetralogy of Fallot]]
*[[Tetralogy of Fallot]]
*[[Tetrodotoxin]]
*[[electrical injury|Thermal injury]]
*[[Thioglycolic acid]]
*[[arthrogryposis|Thoracic dystrophy]]
*[[Tonic-clonic seizures]]
*[[Tonic-clonic seizures]]
*[[Total anomalous pulmonary venous congestion]]
*[[Total anomalous pulmonary venous connection]]
*[[Tracheal agenesis without tracheoesophageal fistula]]
*[[tracheal disease|Tracheal agenesis without tracheoesophageal fistula]]
*[[Tracheal stenosis syndromes]]
*[[Tracheal stenosis]]
*[[Tracheoesophageal fistula with out esophageal fistula]]
*[[Tracheoesophageal fistula]]
*[[Transient tachypnea of the newborn]]
*[[Transient tachypnea of the newborn]]
*[[Transposition of the great arteries]]
*[[Transposition of the great vessels]]
*[[Trichloroethylene]]
*[[Tricuspid atresia]]
*[[Tricuspid atresia]]
*[[Tricuspid stenosis]]
*[[Tricuspid stenosis]]
*[[Truncus arteriosus]]
*[[Truncus arteriosus]]
*[[Twisted atrioventricular connections]]
*[[hyperchloremic acidosis|Type 1 pseudohypoaldosteronism]]
*[[Type 1 pseudohypoaldosteronism]]
*[[Unilateral pulmonary agenesis]]
*[[Unilateral pulmonary agenesis]]
*[[Unilateral pulmonary hypoplasia]]
*[[congenital pulmonary anomalies|Unilateral pulmonary hypoplasia]]
*[[Vaquez disease]]
*[[polycythemia vera|Vaquez disease]]
*[[Vascular malposition]]
*Vascular malposition
*[[Vascular rings]]
*[[Vascular rings]]
*[[Vein of Galen aneurysm]]
*[[Vein of Galen|Vein of Galen aneurysm]]
*[[Velocardiofacial syndrome]]
*[[Velocardiofacial syndrome]]
*[[Ventriculoarterial discordance with atrioventricular concordance]]
*[[Ventricular septal defect]]
*[[VLCAD deficiency]]
*[[Vocal cord paralysis]]
*[[Waterhouse-Friderichsen syndrome]]
*[[Waterhouse-Friderichsen syndrome]]
*[[Weinstein Kliman Scully syndrome]]
*[[Weinstein Kliman Scully syndrome]]
*[[Werdnig-Hoffman disease]]
*[[Western equine encephalitis]]
*[[Western equine encephalitis]]
*[[Whooping cough]]
*[[Whooping cough]]
{{EndMultiCol}}
{{col-end}}
 
 
===Causes of peripheral cyanosis===
{{columns-list|
*[[Acrocyanosis]]
*[[Buerger's disease]]
*[[Cold exposure]]
*[[Deep vein thrombosis]]
*[[Erythrocyanosis]]
*[[Hypovolemia]]
*[[Left sided heart faiure]]
*[[Peripheral vascular disease]]
*[[Raynaud's disease]]
*[[Raynaud's phenomenon]]
*[[Shock]]
*[[Superior vena cava syndrome]]
*[[Thromboembolism]]
}}


==References==
==References==
{{Reflist|2}}
{{Reflist|2}}
[[Category:Needs content]]
 
[[Category:Crowdiagnosis]]
[[Category:Dermatology]]
[[Category:Dermatology]]
[[Category:Signs and symptoms]]
[[Category:Cardiology]]
[[Category:Cardiology]]
[[Category:Physical Examination]]
[[Category:Physical Examination]]
[[Category:Pulmonology]]
[[Category:Pulmonology]]
[[Category:Up-To-Date]]

Latest revision as of 19:49, 29 January 2021

Cyanosis Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Chandrakala Yannam, MD [2]

Overview

In central cyanosis saturation of oxygen is less than 85% when there is reduced hemoglobin more than 5g/dl following a intrapulmonary shunt or intracardiac shunt leading to mixing of arterial and venous oxygen content. In peripheral cyanosis, the saturation of oxygen is normal and there is peripheral capillary bed vasoconstriction due to low cardiac output state or sepsis.

Causes

Life Threatening Causes

Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.

Common Causes

Central Cyanosis

There following are some of the common causes of central cyanosis:

Peripheral Cyanosis:

There following are some of the common causes of peripheral cyanosis: [34][35]

Pseudocyanosis:

Causes by Organ System

Cardiovascular Aberrant subclavian artery, acrocyanosis, air embolism, Al Gazali-Aziz-Salem syndrome, alveolar capillary dysplasia , aortic arch defects, aortic coarctation, aortic stenosis, arterial occlusion, atrial myxoma, atrial septal defect, Bindewald-Ulmer-Muller syndrome, Blalock-Taussig shunt, Bland-White-Garland syndrome, blue baby syndrome, Buergers disease, cardiac tamponade, cardiomyopathy, Cassirer disease, cholesterol emboli syndrome, cholesterol pneumonia, congenital heart disease, congestive heart failure, cor biloculare, cor triatriatum, coronary artery anomaly, critical valvular aortic stenosis, Crocq disease, cyanotic congenital heart disease, deep vein thrombosis, double inlet left ventricle, double outlet right ventricle, Ebstein anomaly, Eisenmenger syndrome, familial pulmonary capillary hemangiomatosis, heart attack, hemothorax, hypocalcemia, hypoplastic left heart syndrome, hypovolemia, hypoxemia, idiopathic pulmonary hypertension, intermittent claudication, ischemic heart disease, isolated ventriculoarterial discordance, Ivemark syndrome, Jervell and Lange-Nielsen syndrome, Kugel-Stoloff syndrome, laryngeal edema, malignancy-related superior vena cava syndrome, Marfan syndrome, Meadows syndrome, mitral atresia in infants, myocardial infarction, partial atrioventricular canal, patent ductus arteriosus, patent foramen ovale, peripartum cardiomyopathy, peripheral arterial disease, persistent pulmonary hypertension of the newborn, persistent truncus arteriosus, phlegmasia cerulea dolens, pseudocyanosis, pulmonary arteriovenous fistula, pulmonary arteriovenous malformation, pulmonary embolism, pulmonary hypertension, pulmonary stenosis, pulmonary veno-occlusive disease, pulmonary venous return anomaly, right ventricle hypoplasia, right ventricular outflow tract obstruction, shock, Sneddon syndrome, subpulmonary stenosis, superior vena cava syndrome, TAPVC, Taussig-Bing syndrome, tetralogy of Fallot, total anomalous pulmonary venous connection, transposition of the great vessels, tricuspid atresia, tricuspid stenosis, truncus arteriosus, vascular malposition, vascular rings, velocardiofacial syndrome, ventricular septal defect
Chemical / poisoning 2,4,6-trinitrotoluene, 4-Nitrophenol, anchovy poisoning, aniline, anisidine, antifreeze, apple seed poisoning, apricot seed poisoning, arsine gas, bird cherry seed poisoning, bitter almond seed poisoning, brown snake poisoning, carbamates, chlorate salts, chlorobenzene, chronic mercury exposure, clupeotoxin, cyanide poisoning, demeton-S-methyl, diazinon, dichlorvos, dicrotophos, dinitrocresol, dioxathion, disulfoton, endosulfan, epichlorohydrin, ethion, ethylene glycol, ethylene oxide, ethylene, fensulfothion, fenthion, herring poisoning, hydrogen sulfide, iron poisoning, lantana poisoning, lead, malathion, methidathion, methiocarb, methomyl, organophosphate poisoning, paraquat, parathion, phosdrin, profenofos, propane, sea snake venom, silver iodide, silver nitrate, silver, smoke inhalation, snakebites, stachybotrys chartarum exposure, strychnine, sulfur dioxide, terbufos, tetraethyl pyrophosphate, tetrodotoxin, thioglycolic acid, trichloroethylene
Dermatologic Acrodynia, Al Gazali-Aziz-Salem syndrome, angioneurotic edema, chromhidrosis
Drug Side Effect Acetaminophen and hydrocodone, amiodarone, amyl nitrite, benzocaine, benzodiazepines, beta blockers,bicisate dihydrochloride, bufotenin, chloramphenicol, chloroquine, clonazepam, clorazepate, codeine, dapsone, desmopressin, diazepam, dilaudid, gray baby syndrome, hydrocodone, hydroquinone, ibuprofen, Imipenem-Cilastatin,lorazepam, lortab, maternal sedation, meperidine, methadone, metoclopramide, midazolam, morphine, narcotics, nitrates, nitrazepam, nitrites, nitroglycerin, oxazepam, phenazopyridine, phenol, phenothiazines, primaquine , ribavirin, rifampin, sedatives, sulfonamides
Ear Nose Throat Choanal atresia, epiglottitis, laryngomalacia, laryngotracheomalacia, lethal chondrodysplasia Moerman type, Ludwig's angina, macroglossia, microcephalic osteodysplastic primordial dwarfism type 1, micrognathia, Pierre Robin syndrome, retrognathia, syndromic microphthalmia type 9, vocal cord paralysis, Weinstein Kliman Scully syndrome
Endocrine Adrenal hemorrhage, congenital hyperinsulinism, hypoadrenalism, hypocalcemia, hypoglycemia, hypomagnesemia, pseudoaldosteronism, type 1 pseudohypoaldosteronism, Waterhouse-Friederichsen syndrome, Weinstein Kliman Scully syndrome
Environmental Asbestosis, berylliosis, coal worker's pneumoconiosis, cold exposure, hypersensitivity pneumonitis, insect sting allergy, pneumoconiosis, Shaver's disease, silicosiderosis, silicosis
Gastroenterologic Boerhaave syndrome, Cast syndrome, cirrhosis of liver, congenital diaphragmatic hernia, cystic fibrosis, duodenal atresia, esophageal atresia, tracheal agenesis without tracheoesophageal fistula, tracheoesophageal fistula
Genetic 1p36 deletion syndrome, acrocephalopolysyndactyly, acrofacial dysostosis, benign familial neonatal convulsions, chromosome 22q11 deletion, cystic fibrosis, DiGeorge syndrome, HMG-CoA lyase deficiency, Jervell and Lange-Nielsen syndrome, Marfan syndrome, microcephalic osteodysplastic primordial dwarfism type 1 , Sakati syndrome, Sakati-Nyhan-Tisdale syndrome, Shprintzen syndrome, velocardiofacial syndrome, VLCAD deficiency, Werdnig-Hoffman disease
Hematologic Blood transfusion, cystic hygroma, deep vein thrombosis, disseminated intravascular coagulation, hemoglobinopathy, methemoglobinemia, Osler-Vaquez disease, phlegmasia alba dolens, phlegmasia cerulea dolens, polycythemia vera, pulmonary embolism, sulfhemoglobinemia, Vaquez disease
Iatrogenic Mendelson's syndrome
Infectious Disease Acute histoplasmosis, anthracosis, bacterial tracheitis, bordetella pertussis, epiglottitis, legionellosis, legionnaire's disease, Ludwig's angina, melioidosis, meningitis, pertussis, sepsis, streptococcal group B invasive disease , Waterhouse-Friederichsen syndrome, western equine encephalitis, whooping cough
Musculoskeletal / Ortho Adams–Oliver syndrome, Al Gazali-Aziz-Salem syndrome, Bindewald-Ulmer-Muller syndrome, Isaac's syndrome, lethal chondrodysplasia Moerman type, microcephalic osteodysplastic primordial dwarfism type 1, neuromyotonia, thoracic dystrophy
Neurologic Adams-Oliver syndrome, benign familial neonatal convulsions, Bindewald-Ulmer-Muller syndrome, birth asphyxia, cerebral hypoxia, congenital central hypoventilation syndrome, encephalitis, head trauma, hypoxic ischemic encephalopathy, intracranial hemorrhage, intraventricular hemorrhage, Isaac's syndrome, meningitis, monomelic amyotrophy, mountain sickness, neonatal myasthenia gravis, neuromyotonia, obstructive sleep apnea, perinatal asphyxia, phrenic nerve injury, seizure, sleep apnea, sudden infant death syndrome, suffocation, tonic-clonic seizures, vein of Galen aneurysm, vocal cord paralysis, Werdnig-Hoffman disease, western equine encephalitis
Nutritional / Metabolic Dehydration, diphosphoglycerate mutase deficiency, HMG-CoA lyase deficiency
Obstetric/Gynecologic Meadows syndrome, Mendelson's syndrome, peripartum cardiomyopathy
Oncologic Cystic hygroma, malignancy-related superior vena cava syndrome, Osler-Vaquez disease, Pancoast tumor, polycythemia vera, Vaquez disease
Opthalmologic Matthew-Wood syndrome, Sneddon syndrome, Weinstein Kliman Scully syndrome
Overdose / Toxicity Drug overdose, heroin, phosdrin
Psychiatric Congenital central hypoventilation syndrome, shaken baby syndrome
Pulmonary Acrocyanosis, acute interstitial pneumonitis, air leak syndromes, airway obstruction, alveolar capillary dysplasia, angioneurotic edema, apnea of prematurity, aspiration, asthma, atelectasis, bacterial tracheitis, Besnier-Boeck-Schaumann disease, bronchiectasis, bronchiolitis, bronchopulmonary dysplasia, bronchospasm, Cassirer disease, cholesterol pneumonia, chronic bronchitis, chronic obstructive pulmonary disease, chylothorax, community-acquired pneumonia, congenital central hypoventilation syndrome, congenital cystic adenomatoid malformation, congenital pulmonary lymphangiectasia, Crocq disease, croup, cystic fibrosis, diaphragmatic paralysis, emphysema, empyema, epiglottitis, erythrocyanosis, exercise-induced asthma, extrinsic allergic alveolitis, familial interstitial fibrosis , familial pulmonary capillary hemangiomatosis, fibrosing alveolitis, flail chest, foreign body aspiration, Hamman-Rich syndrome , hemothorax, hyaline membrane disease, hypersensitivity pneumonitis, hypoventilation, hypoxemia, hypoxia (medical), idiopathic diffuse interstitial pulmonary fibrosis, idiopathic pulmonary fibrosis, idiopathic pulmonary hemosiderosis, idiopathic pulmonary hypertension, idiopathic subglottic tracheal stenosis , infant respiratory distress syndrome, infantile apnea, interstitial lung disease, laryngeal cleft, laryngeal edema, laryngomalacia, laryngotracheomalacia, lethal chondrodysplasia Moerman type , lobar emphysema, lung abscess, Matthew-Wood syndrome, meconium aspiration syndrome, Mendelson's syndrome, mountain sickness, obstructive sleep apnea, Pancoast tumor, perinatal asphyxia, Pickwickian syndrome, Pierre Robin syndrome, pleural effusion, pneumoconiosis, pneumonia, pneumothorax, pseudocyanosis, pulmonary alveolar proteinosis, pulmonary arteriovenous fistula, pulmonary arteriovenous malformation, pulmonary artery sling, pulmonary atresia, pulmonary edema, pulmonary embolism, pulmonary fibrosis, pulmonary hemorrhage, pulmonary hypertension, pulmonary hypoplasia, respiratory depression, respiratory distress syndrome, respiratory failure, respiratory muscle paralysis, sarcoidosis, Shaver's disease, sleep apnea, smoke inhalation, spontaneous pneumothorax, sudden infant death syndrome, suffocation, surfactant metabolism dysfunction, tension pneumothorax, tracheal agenesis without tracheoesophageal fistula, tracheal stenosis, tracheoesophageal fistula, transient tachypnea of the newborn, unilateral pulmonary agenesis, unilateral pulmonary hypoplasia, whooping cough
Renal / Electrolyte Cholesterol emboli syndrome, dehydration, Goodpasture syndrome, hypermagnesemia, hypocalcemia, hypomagnesemia
Rheum / Immune / Allergy Angioneurotic edema, Besnier-Boeck-Schaumann disease, Buergers disease, DiGeorge syndrome, extrinsic allergic alveolitis, Goodpasture syndrome, hypersensitivity pneumonitis, insect sting allergy, laryngeal edema, lupus, neonatal myasthenia gravis, Raynaud's disease, Raynaud's phenomenon, sarcoidosis, Shprintzen syndrome, velocardiofacial syndrome
Sexual Weinstein Kliman Scully syndrome
Trauma Flail chest, head trauma, hemothorax, penetrating chest wounds, shaken baby syndrome, thermal injury,
Urologic No underlying causes
Dental No underlying causes
Miscellaneous Choking, drowning, hanging, high altitude, hypothermia, immobility

Causes in Alphabetical Order

Causes of Cyanosis Based on Classification

Causes of Central Cyanosis


Causes of peripheral cyanosis

References

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