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Question
Which of the following is/are indicated by P-wave of ECG?
i. Depolarization of atrial muscles.
ii. Activation of SA-node.
iii. Spread of excitation from AV node to SA node.
iv. Repolarization of atria and depolarization of ventricles.
Options
i and iii
i and ii
ii and iv
i, ii and iii
MCQ
Solution
i and ii
shaalaa.com
Electrocardiogram (ECG)
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