Heart murmur causes: Difference between revisions

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{{Heart murmur}}
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==Causes==
==Overview==
=== Diastolic Heart Murmurs ===
Causes of heart murmur can be grouped into [[functional murmur|functional]], also known as [[innocent murmur]], [[physiologic]] and pathological murmurs. [[Still murmur]] is one of the causes of [[functional murmur]]. Causes of physiologic murmur include [[arteriovenous fistula]] and [[pregnancy]]. Pathological murmur can result from a broad variety of conditions such as [[valvular stenosis]], valvular insufficiency, [[mitral valve prolapse]], [[right-to-left shunt]] and [[left-to-right shunt]].
* [[Aortic insufficiency]]
* [[Anomalous pulmonary venous drainage]] with left-to-right shunt
* [[Atrial myxoma]]
* [[Atrial septal defect]] (ASD) with left-to-right shunt
* [[Austin Flint murmur]]
* [[Bronchial collaterals]]
* [[Carey-Coombs murmur]]
* [[Cervical venous hum]]
* [[Coarctation of the aorta]]
* Coronary or pulmonary [[arteriovenous malformation|arteriovenous fistula]]
* [[Hepatic venous hum]]
* [[Mammary souffle]]
* [[Mitral Stenosis]]
* [[Patent Ductus Arteriosus]] (PDA)
* [[Pericarditis|Pericardial knock]]
* [[Pulmonary artery branch stenosis]]
* [[Pulmonic regurgitation|Pulmonary insufficiency]]
* [[Tricuspid Stenosis]]


=== Systolic Heart Murmurs ===
==Common Causes==
* [[Aortic sclerosis]]
* [[Aortic Stenosis]]
* [[Atrial septal defect]]
* [[Bicuspid aortic valve]]
* [[Cervical venous hum]]
* [[Coarctation of the aorta]]
* Coronary/pulmonary [[arteriovenous malformation|arteriovenous fistula]]
* [[Endocarditis]]
* [[Hepatic venous hum]]
* [[Hyperthyroidism]]
* [[Innocent systolic murmur]]
* [[Aortic Stenosis|Left ventricular outflow tract obstruction]]
* [[Mammary souffle]]
* [[Mitral insufficiency]]
* [[Mitral valve prolapse]]
* [[Papillary muscle dysfunction]]
* [[Patent ductus arteriosus]] ([[PDA]])
* [[Pericardial friction rub]]s
* [[Pulmonary artery stenosis|Peripheral pulmonary artery stenosis]]
* [[Artificial heart valve|Prosthetic valve]] noises
* [[Pulmonary artery stenosis]]
* [[Pulmonic stenosis|Pulmonic outflow obstruction]]
* [[Still's murmur]]
* [[Tricuspid insufficiency]]
* [[Ventricular septal defect]]


===Continuous Murmurs===
*[[Systolic murmur]]<ref name="pmid21250186">{{cite journal| author=Walker HK, Hall WD, Hurst JW| title=Clinical Methods: The History, Physical, and Laboratory Examinations | journal= | year= 1990 | volume=  | issue= | pages= | pmid=21250186 | doi= | pmc= | url= }} </ref>
* [[Aortic stenosis]] / [[aortic insufficiency]]
**[[Ejection murmurs]]
* [[Pericardial friction rub]]
***Functional
* [[Pulmonary arteriovenous fistula]]
****[[Still's murmur]] and its adult variant
* [[Venous hum]]
****Flow [[murmur]] emanating from the root of the [[pulmonary artery]]
* [[Mammary souffle]]
****[[Murmur]] associated with high [[cardiac output]] states
* [[Aortic coarctation]]
****Flow murmurs associated with [[Aorta|aortic]] or [[pulmonary]] valvular insufficiency
* [[Mediastinal air dissection]]
***Organic
* [[Patent ductus arteriosus]]
****Valvular [[aortic stenosis]]
* [[Ruptured sinus of Valsalva]]
****[[Aortic sclerosis]]
* [[Coronary artery fistula]]
****Discrete [[subvalvular aortic stenosis]] (web or tunnel)
****[[Supravalvular aortic stenosis]]
****[[Hypertrophic obstructive cardiomyopathy]]
****[[Pulmonary valvular stenosis]]
****[[Pulmonary infundibular stenosis]]
****[[Atrial septal defect]]
****[[Tetralogy of Fallot]]
**Regurgitant murmurs
***Functional: none
***Organic:
****[[Mitral regurgitation]]:
*****[[Rheumatic disease|Rheumatic]]
*****[[Papillary muscle]] dysfunction
*****[[Mitral valve prolapse]]
*****Acute
****[[Tricuspid regurgitation]]:
*****Chronic
*****Acute
****[[Ventricular septal defect]]
*****Roger's type (small and large)
******Without [[pulmonary hypertension]]
******With [[pulmonary hypertension]]
*****Slitlike
***Extracardiac sounds simulating [[systolic heart murmurs]]
****Subclavian (supraclavicular/brachiocephalic) [[Murmur]]
****[[Internal mammary soufflé]]
****[[Carotid artery bruits]]
****[[Coarctation of the aorta]]
****Murmurs emanating from a dilated aortic or pulmonary artery root
****[[Patent ductus arteriosus]] with [[pulmonary hypertension]] <br />
*[[Diastolic murmur]]<ref name="pmid21250187">{{cite journal| author=Walker HK, Hall WD, Hurst JW| title=Clinical Methods: The History, Physical, and Laboratory Examinations | journal= | year= 1990 | volume=  | issue=  | pages=  | pmid=21250187 | doi= | pmc= | url= }} </ref>
**[[Aortic regurgitation]]
**[[Pulmonary valve regurgitation]]
**Mitral rumble
***Obstruction to flow
****[[Mitral stenosis]] (rheumatic, congenital)
****[[Left atrial myxoma]]
****[[Cor triatriatum]]
****Localized pericardial constriction
***Increased flow
****[[Mitral regurgitation]]
****[[Ventricular septal defect]]
****[[Patent ductus arteriousus]]
****[[Complete heart block]]
**Tricuspid rumble
***Obstruction to flow
****[[Tricuspid stenosis]] (rheumatic, Ebstein's anomoly, carinoid)
****[[Right atrial myxoma]]
****Localized pericardial constriction
***Increased flow
****[[Atrial septal defect]]
****[[Tricuspid regurgitation]]
*[[Continuous murmur]] <ref name="pmid22574086">{{cite journal| author=Ginghină C, Năstase OA, Ghiorghiu I, Egher L| title=[[Continuous murmur]]—the auscultatory expression of a variety of pathological conditions. | journal=J Med Life | year= 2012 | volume= 5 | issue= 1 | pages= 39-46 | pmid=22574086 | doi= | pmc=3307079 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22574086  }} </ref>
**THORACIC:
***[[Precordial]]
****[[Patent ductus arteriosus]]
****[[Coronary arteriovenous fistulas]]
****Sinus of Valsalva aneurysm ruptured into right cavities
****[[Atrial septal defect]] associated with abnormalities that cause increased pressure in the [[left atrium]]
****[[Left coronary artery]] origin from [[pulmonary artery]] anomaly
****[[Continuous murmur]] at intern mammary artery
***Extra [[Precordial]]
****[[Coarctation of the aorta]]
****[[Pulmonary atresia]]
****[[Pulmonary arteriovenous fistula]]
****[[Truncus arteriosus]]
****Anomalies of origin of the [[pulmonary artery]]
**EXTRATHORACIC:
***[[Venous hum]]
***Cruveilhier-Baumgarten sindrom
***Severe arterial stenosis
***Extrathoracic [[Arteriovenous fistula|arteriovenos fistulas]]


==References==
==References==
{{Reflist|2}}
{{Reflist|2}}
{{WH}}
{{WS}}


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[[Category:Mature chapter]]
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Latest revision as of 22:39, 21 January 2021

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

Overview

Causes of heart murmur can be grouped into functional, also known as innocent murmur, physiologic and pathological murmurs. Still murmur is one of the causes of functional murmur. Causes of physiologic murmur include arteriovenous fistula and pregnancy. Pathological murmur can result from a broad variety of conditions such as valvular stenosis, valvular insufficiency, mitral valve prolapse, right-to-left shunt and left-to-right shunt.

Common Causes

References

  1. Walker HK, Hall WD, Hurst JW (1990). "Clinical Methods: The History, Physical, and Laboratory Examinations". PMID 21250186.
  2. Walker HK, Hall WD, Hurst JW (1990). "Clinical Methods: The History, Physical, and Laboratory Examinations". PMID 21250187.
  3. Ginghină C, Năstase OA, Ghiorghiu I, Egher L (2012). "[[Continuous murmur]]—the auscultatory expression of a variety of pathological conditions". J Med Life. 5 (1): 39–46. PMC 3307079. PMID 22574086. URL–wikilink conflict (help)

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