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The given figure is the ECG of a normal ...

The given figure is the ECG of a normal human. Which one of its components is correctly interpreted below ?

A

Complex ORS - one complete pulse

B

Peak T - initiation of total cardiac contraction

C

Peak P and peak R together - systolic and diastolic blood pressures

D

Peak P- initiation of left atrial contraction only

Text Solution

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The correct Answer is:
A
The ORS complex represents the depolarisation of the ventricles, which initiates the ventricular contraction. By counting the number of ORS complexes that occur in a given time period, One can determine the rate of heart beat of an individual.
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