Lub Dub Sounds Systole Diastole _top_ [TRUSTED]

Tap the sound on to hear your own lub-dub. [Visual: Animation of a beating heart with valves opening/closing]

Diastole. The chamber expands. Pressure drops. Blood trickles in from the lungs. The aortic valve catches the wave, slamming the gate. This is the sound of receiving . lub dub sounds systole diastole

🔊 This is the loudest sound. It happens when the ventricles contract (Systole). The mitral and tricuspid valves snap shut, pushing blood up and out to your lungs and body. Think of it as the "Push." Tap the sound on to hear your own lub-dub