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Q. No.Regarding normal ECG tracings:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | The P-wave represents the electrical excitation (or depolarization) of the atria. |
| II: | The QRS complex represents the depolarization of the ventricles, which initiates the ventricular contraction. |
| III: | The end of the T-wave marks the end of diastole. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Â ECG & Coronary Artery Disease |
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