Lub Dub Heart Sound ◎
🔹 This is the echo of the aortic and pulmonary valves closing. It marks the moment your heart relaxes and refills, getting ready for the next round.
So next time you hear “lub-dub,” remember: it’s not just two syllables. It’s the quiet, relentless rhythm of being alive. lub dub heart sound
My favorite song? The one playing inside my chest. 🎶 🔹 This is the echo of the aortic
Fun fact: If your heart was a drummer, it would be the most reliable musician in history. No breaks, no sick days, just pure rhythm. Let’s keep the beat going strong! no sick days
The cardiac cycle is the sequence of events that occurs in the heart with each heartbeat. It's divided into two main phases: diastole (relaxation) and systole (contraction).

