Heart sounds
NOISE GENERATED BY THE BEATING HEART AND THE RESULTANT FLOW OF BLOOD THROUGH IT
Heart sound; Cardiac sounds; Cardiac auscultation; Heart auscultation; S1 (heart sound); S2 (heart sound); Lub Dupp; Lub Dup; Heart Sounds; First heart sound; Second heart sound; P2 beat; I2 sin; A2 sound; Heart-sound; Heart-sounds; P2 sound; Heart tone
Heart sounds are the noises generated by the beating heart and the resultant flow of blood through it. Specifically, the sounds reflect the turbulence created when the heart valves snap shut.