The stethoscope is a medical device for listening to the internal sounds of an animal or human body. It typically has a small disc-shaped resonator that is placed against the chest, and two tubes connected to earpieces. It is often used to listen to lung and heart sounds. It is also used to listen to intestines and blood flow in arteries and veins In combination with a sphygmomanometer it is commonly used for measurements of blood pressure.
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