What Makes The Lub Dub Sound [upd] Instant

🔊 → Your aortic & pulmonic valves close after the lower chambers relax. This prevents blood from leaking back into the heart.

Ever wondered what makes that classic ❤️ lub-dub ❤️ sound when you listen to a heartbeat?

If you hear a whoosh or swish instead of a clean lub-dub, that’s called a heart murmur — often harmless, but worth getting checked out. what makes the lub dub sound

👂 The pause between lub and dub? That’s your heart filling with blood. The pause after dub? That’s your heart resting before the next beat.

Here’s a social media post (Instagram, Twitter, Facebook) explaining the “lub-dub” sound: 🔊 → Your aortic & pulmonic valves close

🔊 → Your mitral & tricuspid valves close right after the heart squeezes blood to the lungs and body. This stops blood from flowing backward into the upper chambers.

Tag someone who needs to know their heart’s secret language! 👇🫀 If you hear a whoosh or swish instead

#HeartHealth #LubDub #CardiologyExplained #ScienceFacts #Anatomy