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Conduction in Heart

By counting t...

Question

By counting the number of _________________ that occurs in a given time period, one can determine the heart rate of an individual

A

P- wave

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B

T – wave

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C

QRS complex

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D

ST interval

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Solution

The correct option is C
QRS complex

QRS complex corresponds to the ventricular systole of cardiac cycle. Heart rate is the number of cardiac cycles per minute. Counting the number of QRS complexes appearing on the ECG recording corresponding to the duration of one minute, one can easily ascertain the number of heart beats.

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