What Makes The Lub Dub Sound Page

👂 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.

🔊 → 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. what makes the lub dub sound

🔊 → Your aortic & pulmonic valves close after the lower chambers relax. This prevents blood from leaking back into the heart. 👂 The pause between lub and dub

Here’s the quick breakdown:

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