What Does Lub Dub Mean _hot_ Jun 2026

A heart murmur is an extra swishing or whooshing sound heard between or during the normal lub-dub.

The "lub-dub" sound is not the heart muscle contracting. It is the sound of heart valves snapping shut. what does lub dub mean

: It is typically lower in pitch and lasts slightly longer than the second sound. "Dub" (S2 - The Second Sound) A heart murmur is an extra swishing or