<prompt> What is the drug of choice to control supraventricular tachycardia?AdenosinePropranololVerapamilDigoxin  <response>: a. AdenosineRef: Nelsons 20e p 2282-2287, Ghai 8e p 396-400In stable patients with Supraventricular Tachycardia, Adenosine by rapid IV push is the treatment of choice because of its rapid onset of action and minimal effects on cardiac contractility. 