MCQOPTIONS
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MCQOPTIONS
| 1. |
A 30 year old admitted with a heart rate of 180 per minute.On applying carotid sinus pressure heart rate is abruptly changed to 74 per minute.The most likely diagnosis is - |
| A. | Sinus tachycardia |
| B. | Paroxysmal atrial fibrillation |
| C. | Paroxysmal ventricular tachycardia |
| D. | Paroxysmal atrial tachycardia |
| Answer» E. | |