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The diagram given here is the standard E...

The diagram given here is the standard ECG of a normal person. The P-wave represents the

A

End of systole

B

Contraction of both the atria

C

Initiation of the ventricular contraction

D

Beginning of the systole

Text Solution

Verified by Experts

The correct Answer is:
B
ECG refers to electrocardiograph and it is measured by instrument called electrocardiogram. It measure potential difference of atrium and ventricles of heart.
P wave: Atrial systole
QRS wave: Ventricular systole
T wave: Ventricular diastole.
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