Heartbeat Sound Lub Dub -

While the "lub-dub" sound is a normal and reassuring sound, there are abnormal heart sounds that can indicate potential health issues. Some examples include:

Shorter, higher, softer, at the start of diastole (relaxation). Clinical Significance

A low, slightly prolonged sound. Think Luuub . What is happening: The atrioventricular (AV) valves are closing. heartbeat sound lub dub

A sharper, higher-pitched, shorter snap. Think Dub . What is happening: The Semilunar valves are closing.

The heartbeat sound "lub-dub" is a familiar and reassuring sound that indicates a healthy heart rhythm. Here's some helpful content related to this topic: While the "lub-dub" sound is a normal and

Contrary to popular belief, the "lub-dub" is not the sound of the heart muscle contracting. Instead, it is primarily caused by the and the resulting vibrations in the heart chambers and surrounding blood. nhlbi, nih (.gov) How the Heart Works - How the Heart Beats | NHLBI, NIH

Listen closely. That's your engine running. Think Luuub

If you listen to a fetus in the womb, the "Lub-Dub" is much faster (120-160 bpm) and sounds almost like a horse galloping. As we age, that rhythm slows down to the 60-100 bpm of a resting adult.