Lub-dub Sound Of Heart -

Your lub-dub is a real-time health signal. Doctors listen for:

This is for informational purposes only. For medical advice or diagnosis, consult a professional. AI responses may include mistakes. Learn more lub-dub sound of heart

If you’ve ever pressed your ear to someone’s chest, placed a hand over your left ribs during a sprint, or watched a medical drama on TV, you know the sound well. It is the percussion section of the body’s orchestra: lub-dub, lub-dub, lub-dub. Your lub-dub is a real-time health signal

As the ventricles squeeze, the pressure forces the Mitral and Tricuspid valves (the valves between the upper and lower chambers) to snap shut. This closure prevents blood from flowing backward into the atria. That "snap" is the "lub." 2. The "Dub" (The Second Heart Sound - S2) AI responses may include mistakes