Mitral insufficiency

Phonocardiograms from normal and abnormal heart sounds

Illustration comparing mitral valve insufficiency to mitral valve stenosis

Transesophageal echocardiogram of mitral valve prolapse

Mitral insufficiency (MI), mitral regurgitation or mitral incompetence is a disorder of the heart in which the mitral valve does not close properly when the heart pumps out blood. It is the abnormal leaking of blood backwards from the left ventricle, through the mitral valve, into the left atrium, when the left ventricle contracts, i.e. there is regurgitation of blood back into the left atrium. MI is the most common form of valvular heart disease.

单词	Mitral insufficiency
释义	Mitral insufficiency 原声例句 GQ — 明星们的代表角色 He has a murmur of mitral insufficiency. 他有二尖瓣关闭不全的杂音。英语百科 Mitral insufficiency Mitral insufficiency (MI), mitral regurgitation or mitral incompetence is a disorder of the heart in which the mitral valve does not close properly when the heart pumps out blood. It is the abnormal leaking of blood backwards from the left ventricle, through the mitral valve, into the left atrium, when the left ventricle contracts, i.e. there is regurgitation of blood back into the left atrium. MI is the most common form of valvular heart disease.
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