Skip to Content

heart sounds


Definition: the noise made by muscle contraction and the closure of the heart valves during the cardiac cycle.

See: first heart sound, second heart sound, third heart sound, fourth heart sound

Synonym(s): cardiac sound, heart tones

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.