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:

—the aortic and pulmonary valves—located where blood leaves the heart. Purpose: These valves close to stop blood from leaking back into the heart once it has been ejected into the major arteries. nhlbi, nih (.gov) +3 Medical Significance Doctors use a stethoscope to listen to these sounds because they provide vital clues about heart health. While "lub-dub" is the standard rhythm, other sounds can occur: YouTube Heart Murmurs: Extra "whooshing" or "rasping" sounds between the beats often indicate turbulent blood flow, which may be caused by narrowed or leaking valves. Gallops (S3 and S4): These are additional low-frequency sounds that may be normal in young people but can sometimes signal heart chamber dilation or wall stiffening in older adults. YouTube +3 Would you like to know more about how heartbeat sound lub dub

It is so familiar that we often ignore it, yet this rhythmic double beat is one of the most complex and vital sounds in nature. But what actually creates that noise? It isn't the blood flowing, nor the heart "beating" like a drum. It is the sound of While the "lub-dub" sound is a normal and

That longer pause after the "Dub" is when your heart muscle is resting and refilling with blood. It is the most important rest in the body. nhlbi, nih (

Longer, lower, louder, at the start of systole (contraction).