What Is The Lub Dub Sound Info

Contrary to popular belief, you aren't hearing the heart muscle itself contracting. Instead, you are hearing the sound of the heart's valves snapping shut, much like a door closing. 1. The "Lub" (S1): The Beginning of the Beat

The second sound, known as , is the "dub." This sound is shorter, sharper, and slightly higher in pitch. what is the lub dub sound

If you’ve ever wondered exactly what is happening inside your chest to create those sounds, The Mechanics of the Sound Contrary to popular belief, you aren't hearing the

The Rhythm of Life: Understanding the "Lub-Dub" Heart Sound Have you ever pressed your ear to someone’s chest or used a stethoscope and heard that rhythmic, double-beat sound? We commonly call it the "lub-dub." But what is actually happening inside your chest to create that sound? The "Lub" (S1): The Beginning of the Beat