Does Lub Dub Mean: What

What Does "Lub Dub" Mean? The Sound of a Healthy Heart

While it sounds like simple onomatopoeia (a word that sounds like its meaning), "lub dub" is actually the audible sign of your heart valves snapping shut. Here is the simple breakdown of what is happening inside your chest. "Lub dub" is the sound of your heart valves closing. The "lub" happens when the valves between the upper and lower chambers close. The "dub" happens when the valves leading out of the heart to the lungs and body close. The Deep Dive: Act 1 (The Lub) The first sound, the "Lub" (medically known as S1 ), occurs at the beginning of a heartbeat. what does lub dub mean

Once that blood is pushed out, two different valves—the —snap shut to stop the blood from flowing back into the heart. What Does "Lub Dub" Mean

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. "Lub dub" is the sound of your heart valves closing