muscular incompetence


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mus·cu·lar in·com·pe·tence

imperfect closure of an anatomically normal cardiac valve, in consequence of defective action of its papillary muscles.

muscular incompetence

Etymology: L, musculus + incompetens
a failure of a cardiac valve to close properly because of a dysfunction of the papillary muscles of the heart.

muscular incompetence

Imperfect closure of one of the atrioventricular valves due to weak action of papillary muscles.
See also: incompetence
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