Heartbeat Lub Dub Sound Jun 2026

🔊 (S2)

A healthy heart makes a clear “lub-dub... lub-dub...” Any extra sounds (like a whoosh or click) can sometimes signal a murmur—but that’s a topic for another day! heartbeat lub dub sound

In clinical practice, auscultating heart sounds is a fundamental skill. The S1 (“lub”) and S2 (“dub”) represent valvular events critical to cardiac function. 🔊 (S2) A healthy heart makes a clear “lub-dub

: Prevents blood that has just been pumped into the arteries from leaking back into the heart. heartbeat lub dub sound