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Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?
Option: 1
Peak P and Peak R together - systolic and diastolic blood pressures
Option: 2
Peak P - Initiation of left atrial contraction only
Option: 3
Complex QRS - One complete pulse
Option: 4
Peak T - Initiation of total cardiac contraction
Answers (1)
The QRS complex is representing ventricular depolarisation which initiates the ventricular contraction. Thus, by counting the number of QRS complexes in a given time period, one can determine the heartbeat rate of an individual. Hence, the correct option is (c).
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