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Mitral regurgitation
Other Resources UpToDate PubMed

Mitral regurgitation

Contributors: Ryan Hoefen MD, PhD
Other Resources UpToDate PubMed

Synopsis

Mitral regurgitation is dysfunction of the mitral valve characterized by incomplete valve closure, resulting in systolic flow of blood from the left ventricle to the left atrium. The resultant increase in left atrial pressure often results in atrial fibrillation, dyspnea, and/or congestive heart failure. It is divided into 2 broad categories: primary (or degenerative) mitral regurgitation, which is an abnormality of the valve leaflets, and secondary (or functional) mitral regurgitation, which is incomplete leaflet closure secondary to disease of the left atrium or ventricle. Mechanisms of primary mitral regurgitation include leaflet prolapse, endocarditis, congenital anomalies, and rupture of chordae tendineae or a papillary muscle. Mechanisms of secondary mitral regurgitation include ischemia and dilated cardiomyopathy. Treatment and prognosis vary depending on the underlying cause.

Codes

ICD10CM:
I05.1 – Rheumatic mitral insufficiency
I34.0 – Nonrheumatic mitral (valve) insufficiency

SNOMEDCT:
48724000 – Mitral valve regurgitation

Differential Diagnosis & Pitfalls

Best Tests

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Drug Reaction Data

Below is a list of drugs with literature evidence indicating an adverse association with this diagnosis. The list is continually updated through ongoing research and new medication approvals. Click on Citations to sort by number of citations or click on Medication to sort the medications alphabetically.

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References

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Last Reviewed:01/14/2021
Last Updated:01/14/2021
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Mitral regurgitation
Mitral regurgitation (Acute episodes) : Nausea, Cyanosis, Mental status alteration, Mitral regurgitant murmur, Neck vein distension, Productive cough, Diaphoresis, Dyspnea, Radiating chest pain
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