Here’s a social media post about the heart sound, suitable for Instagram, Facebook, LinkedIn, or a blog. I’ve included different tones (educational, casual, and short).

🔊 (S1)

The first heart sound, "lub," is medically referred to as . It occurs at the very beginning of systole , which is the phase when the heart's lower chambers (ventricles) contract to pump blood out to the body and lungs. nhlbi, nih (.gov) How the Heart Works - How the Heart Beats | NHLBI, NIH

: The closure of the semilunar valves , specifically the aortic and pulmonary valves.

: Usually shorter, sharper, and higher-pitched than the first sound. Diagnostic Significance What causes your Lub-Dub heart sound?

Heartbeat Lub Dub Sound 💯 Safe

Here’s a social media post about the heart sound, suitable for Instagram, Facebook, LinkedIn, or a blog. I’ve included different tones (educational, casual, and short).

🔊 (S1)

: The closure of the semilunar valves , specifically the aortic and pulmonary valves. Here’s a social media post about the heart

: Usually shorter, sharper, and higher-pitched than the first sound. Diagnostic Significance What causes your Lub-Dub heart sound? suitable for Instagram