What Does Lub Dub Mean Here

Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional for concerns regarding your heart health.

Turbulent blood flow through narrowed or leaking valves. what does lub dub mean

In the medical world, "lub-dub" is the phonetic way to describe the sound of your heart beating. Rather than the heart muscle itself making noise, these sounds are actually caused by the as they ensure blood flows in the right direction. The Two Phases of a Heartbeat Disclaimer: This article is for informational purposes only

: This happens when the aortic and pulmonary valves (the ones controlling blood leaving the heart) close. In the medical world, "lub-dub" is the phonetic

The "lub-dub" sound is not the heart muscle contracting. It is the sound of heart valves snapping shut.

Think of it like a door slamming after a crowd passes through. That sudden tension and vibration of the tissue is the "Lub."

Once that blood is pushed out, two different valves—the —snap shut to stop the blood from flowing back into the heart.