Question

why do doctors used stethscope to listen the hard beat​

Answer 1

Answer:

Your doctor listens to your heart with a stethoscope. The opening and closing of your valves make a "lub dub" sound known as heart sounds. The doctor can evaluate your heart and its valves and hear your heart's rate and rhythm by listening to your heart sounds

Answer 2

Your doctor listens to your heart with a stethoscope. The opening and closing of your valves make a "lub dub" sound known as heart sounds. The doctor can evaluate your heart and its valves and hear your heart's rate and rhythm by listening to your heart sounds.

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