Auscultation in Primary Care This course is a survey of normal and abnormal heart sounds and murmurs encountered in primary care . The course starts with normal heart sounds and continues with extra heart sounds and murmurs. Please use good quality headphones or earphones. Table of Contents 1First and Second Heart Sounds - Normal and Unsplit 2First and Second Heart Sounds - Reduced Intensity 3Second Heart Sound - Splitting 4Third Heart Sound Gallop 5Fourth Heart Sound Gallop 6Third and Fourth Heart Sound Gallop 7Summation Gallop at 120 beats per minute 8Second Heart Sound - Fixed Splitting 9Mid-Systolic Click 10Mitral Valve Leaflet Prolapse 11Aortic Stenosis (Diamond Shaped Systolic Murmur) 12Aortic Regurgitation (Decrescendo Diastolic Murmur) 13Mitral Regurgitation (pansystolic Murmur) 14Mitral Stenosis (Diastolic Murmur) Authors: Dr. Jonathan Keroes, MD, Cardiologist (ret) and David Lieberman, Heart Sound Simulation Developer