By counting the number of which of the following waves, the heartbeat of a person can be determined?(a) P-wave(b) QRS complex(c) ST-segment(d) PQ intervalThis question was posed to me in homework.The origin of the question is ECG in division Body Fluids and Circulation of Biology – Class 11

By counting the number of which of the following waves, the heartbeat

1.	By counting the number of which of the following waves, the heartbeat of a person can be determined?(a) P-wave(b) QRS complex(c) ST-segment(d) PQ intervalThis question was posed to me in homework.The origin of the question is ECG in division Body Fluids and Circulation of Biology – Class 11
Answer» Correct option is (B) QRS complex Easiest explanation: By counting the number of QRS complexes that OCCUR in a given period, one can determine the heartbeat rate of an individual. Any deviation from the shapes of the CURVE indicates a possible abnormality or a DISEASE. Hence, it is of great clinical significance.

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By counting the number of which of the following waves, the heartbeat of a person can be determined?(a) P-wave(b) QRS complex(c) ST-segment(d) PQ intervalThis question was posed to me in homework.The origin of the question is ECG in division Body Fluids and Circulation of Biology – Class 11

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