Systolic Murmurs Mitral Regurgitation Lesson Waveform Video The murmur of mitral regurgitation is a mid-frequency, rectangular murmur taking up all of systole. S1 is normal. S2 is single.There is a third heart sound gallop in diastole.Both the left ventricle and the left atrium are enlarged. The murmur is caused by turbulent flow through the incompetent mitral valve leaflets into the left atrium. play pause Maneuver:Supine Chestpiece Position:Mitral Chestpiece:Diaphragm Table of Contents Introduction Innocent Murmur Aortic Sclerosis (Musical Murmur) Aortic Stenosis -Mild Aortic Stenosis - Severe #2 Mitral Regurgitation Mitral Valve Prolapse (Click with Late Systolic Murmur) Hypertrophic Cardiomyopathy
