Heart murmur causes
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Heart murmur causes On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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 atriovenous 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.
Causes
Diastolic Heart Murmurs
- Aortic insufficiency
- Total anomalous pulmonary venous drainage with left-to-right shunt
- Atrial myxoma
- Atrial septal defect (ASD) with left-to-right shunt
- Austin Flint murmur
- Bronchial collateral circulation
- Carey-Coombs murmur
- Cervical venous hum
- Coarctation of the aorta
- Coronary or pulmonary arteriovenous malformation
- Hepatic venous hum
- Mammary souffle
- Mitral stenosis
- Patent ductus arteriosus (PDA)
- Pericardial knock
- Pulmonary artery stenosis
- Pulmonary insufficiency
- Tricuspid stenosis
Systolic Heart Murmurs
- Aortic sclerosis
- Aortic stenosis
- Atrial septal defect
- Bicuspid aortic valve
- Cervical venous hum
- Coarctation of the aorta
- Coronary or pulmonary arteriovenous malformation
- Endocarditis
- Hepatic venous hum
- Hyperthyroidism
- Innocent murmur
- Left ventricular outflow tract obstruction
- Mammary souffle
- Mitral insufficiency
- Mitral valve prolapse
- Papillary muscle dysfunction
- Patent ductus arteriosus PDA)
- Pericardial friction rubs
- Peripheral pulmonary artery stenosis
- Prosthetic valve
- Pulmonary artery stenosis
- Pulmonic outflow obstruction
- Still's murmur
- Tricuspid insufficiency
- Ventricular septal defect
Continuous Murmurs
- Aortic coarctation
- Aortic insufficiency
- Aortic stenosis
- Coronary artery fistula
- Mammary souffle
- Mediastinal air dissection
- Patent ductus arteriosus
- Pericardial friction rub
- Pulmonary arteriovenous fistula
- Ruptured sinus of Valsalva
- Venous hum