Grade 4 Mitral Murmur

Amara H. Estrada, DVM, DACVIM (Cardiology), University of Florida

ArticleSeptember 20141 min read

A grade 3-4/6 systolic murmur is appreciated over the left apex region in this heart sound, which is plateau (band shaped) and harsh. It occurs throughout systole, making it difficult to identify S1 or S2 sounds.