PR interval in ECG denotes ?
Correct Answer: Atrial contraction
Description: Ans. is 'c' i.e., Atrial contractionPR interval represents atrial depolarization (atrial contraction) and condution throught AV nudeElectrocardiogram Normal ECG in a bipolar limb leads typically shows five waves named P, Q, R, S and T. Q, R and S waves are collectively called QRS complex.
Category:
Physiology
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