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Kanak Sharma • 5.38K Points
Tutor III Physics

  • (A) atrial depolarization
  • (B) Ventricular repolarization
  • (C) atrial repolarization
  • (D) Ventricular depolarization
Correct Answer - Option(A)

Explanation by: Kanak Sharma
The P wave in the ECG represents atrial depolarization, which results in atrial contraction, or atrial systole.

The P wave is a summation wave generated by the depolarization front as it transits the atria.

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