Heart Sound S1 !link! -

Next time you listen to a heart, remember: says “time to squeeze” — and it all starts with valve closure.

The first heart sound, S1, is produced by the closure of the atrioventricular valves (mitral and tricuspid valves) at the start of systole. This sound is often described as a "lub" and is the first of the two normal heart sounds. heart sound s1

Here’s a social media post about — suitable for Instagram, LinkedIn, Facebook, or a medical education page. Next time you listen to a heart, remember:

A healthcare professional can assess S1 by: heart sound s1