characteristics of mitral regurgitation murmur
Diagnosis. Mitral regurgitation is usually diagnosed based on the characteristics of the heart murmur heard through a stethoscope. The murmur is a distinctive sound produced by blood leaking backward into the left atrium when the left ventricle contracts.itral regurgitation (mitral valve regurgitation, mitral incompetence, mitral insufficiency) is leakage of blood backward through the mitral valve each time the left ventricle contracts.