Question:medium

The waves associated with the electrical activity of the various parts of the heart tissue during each cardiac cycle are represented by letters P, Q, R, S, T and U. Which of these wave represent ventricular repolarization ?

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A handy summary for ECGs:
P wave = Atrial Depolarization.
QRS complex = Ventricular Depolarization.
T wave = Ventricular Repolarization.

Updated On: Jul 31, 2026

P wave
Q wave
S wave
T wave

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The Correct Option is D

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