Stethoscope: We use the stethoscope to listen for sounds from the lungs which tell us information. When we specifically listen to the heart sounds we listen to hear the amplitude of the sounds from the valves closing and the noise produced by the blood flow through the valves and vessels. We also hear some other sounds which can be caused by various heart and pericardial abnormalities, and other things.
Answered 1/19/2014
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