🔊 → 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? what makes the lub dub sound
🔊 → 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. 🔊 → Your aortic & pulmonic valves close
Here’s a social media post (Instagram, Twitter, Facebook) explaining the “lub-dub” sound: what makes the lub dub sound
It’s not the heart muscle contracting — it’s your !