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In a standard ECG which one of the follo...

In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart ?

A

T-end of diastole

B

P-depolarizatio of the atria

C

R-repolarisation of ventricles

D

S-start of systole

Text Solution

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The correct Answer is:
B
P `to` Depolarization of atria (contraction of atria), Q `to` Marks beginning of systole
R `to` Ventricular depolarization
T` to` Ventricular repolarization (ventricular relaxation) , End of T wave marks the end of the systole. -QRS are the depolarization waves of ventricles.
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