PR interval in ECG denotes
Correct Answer: Atrial contraction
Description: Ans. (c) Atrial contractionRef: Ganong, 25th ed/p.525PR interval#From the onset of P wave to the beginning of QRS complex#Duration - 0.12 to 0.20 sec#Denotes atrial contraction and Atrioventricular (AV) conduction time
Category:
Physiology
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