Full 2L QBank
Physiology Heart: Normal Electrocardiogram 6f35d15b

QRS complex is due to -

A
Ventricular repolarization
B
Atrial depolarization
C
Conduction through AV node
D
Ventricular depolarization
High-Yield Explanation
Ans. is "d" i.e., Ventricular depolarization Event of ECGCauseP-waveAtrial depolarizationQRS complexVentricular depolarizationTwaveVentricular repolarizationPR intervalRepresents time taken by impulse to travel from SA node to ventricle (Atrial depolarization and AV conduction)QT intervalDuration of full ventricular contraction (Ventricular depolarization + Repolarization)

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