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| 1. |
Which of the following is demonstrated by P-R interval on electrocardiogram?(1 )Atrioventricular conduction(2) Ventricular repolarisation(3) Ventricular action potential(4) Atrial depolarisation |
| Answer» VENTRICULAR repolarisationExplanation:because PR is SEGMENT related to diastole so it is related to ventricle only.may be not SURE. | |