Mitral insufficiency
Malfunction of the mitral valve. Mitral insufficiency allows the backflow of blood (regurgitation) from the left ventricle into the left atrium.

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mitral insufficiency n inability of the mitral valve to close perfectly permitting blood to flow back into the atrium and leading to varying degrees of heart failure called also mitral incompetence

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mitral valve insufficiency defective functioning of the mitral valve, with incomplete closure causing mitral regurgitation.

Medical dictionary. 2011.

Look at other dictionaries:

  • mitral insufficiency — Pathol. abnormal closure of the mitral valve resulting in regurgitation of blood into the atrium and leading to reduced heart function or heart failure. Also called mitral incompetence. [1875 80] * * * ▪ medical disorder also called  Mitral… …   Universalium

  • mitral insufficiency — noun also mitral incompetence : inability of the mitral valve to close perfectly permitting blood to flow back into the auricle and leading to varying degrees of heart failure * * * Pathol. abnormal closure of the mitral valve resulting in… …   Useful english dictionary

  • Mitral regurgitation — See also: aortic insufficiency and tricuspid insufficiency Mitral regurgitation Classification and external resources Mitral regurgitation (schematic drawing) During systole, contraction of the left …   Wikipedia

  • Mitral regurgitation — Backflow of blood from the left ventricle to the left atrium due to mitral valve insufficiency (malfunction). * * * mitral regurgitation n backward flow of blood into the atrium due to mitral insufficiency * * * (MR) the backflow of blood from… …   Medical dictionary

  • mitral incompetence — noun see mitral insufficiency …   Useful english dictionary

  • Mitral stenosis — Classification and external resources Mitral stenosis with marked thickening of the leaflets and left atrial hypertrophy. Superior view. Autopsy preparation …   Wikipedia

  • Mitral valve prolapse — Mitral valve prolapses Classification and external resources In mitral valve prolapse, the leaflets of the mitral valve prolapse back into the left atrium. ICD 10 …   Wikipedia

  • mitral incompetence — failure of the mitral valve to close, allowing a reflux of blood from the left ventricle of the heart to the left atrium. It most often results from scarring of the mitral valve by rheumatic fever, but it can also develop as a complication of… …   Medical dictionary

  • insufficiency — Lack of completeness of function or power. SEE ALSO: incompetence. [L. in , neg. + sufficientia, fr. sufficio to suffice] accommodative i. a lack of appropriate accommodation for near focus. acute adrenocortical i. severe adrenocortical i. when… …   Medical dictionary

  • insufficiency of the valves — valvular insufficiency 1. dysfunction of one of the cardiac valves, with incomplete valve closure resulting in valvular regurgitation; see aortic i., mitral i., pulmonary i., and tricuspid i. 2. venous i …   Medical dictionary

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