what is the relationship between the heartbeat and the pulse rate? how it can be thread etc, and count the heart beats with the help of the stethoscope?
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Heart rate, also called pulse, is the number of times your heart beats per minute. Heart rate can change based on activity level, age, medication, and other factors throughout life. For most adults, a resting heart rate of 50 to 100 beats per minute is considered normal.
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