Cardiac Auscultation Practice - S3 Gallop S3: add this extra heart sound by tapping second finger twice Setup: https://twitter.com/ptfaddenMD/stat By Dr. Patrick Fadden @ptfaddenMD #S3 #Gallop #HeartSounds #Cardiac #Auscultation #Practice #PhysicalExam #Clinical #Video #Stethoscope #Hand