<prompt> Drug of choice for supraventricular tachycardia is:VerapamilDiltiazemDigoxinPhenytoin  <response>: Ans. A VerapamilRef: Katzung 11the p243-244, KDT 8the p580-581Adenosine is DOC for PSVT termination.Verapamil is DOC for prophylaxis of PSVT and for management of sustained supraventricular tachycardia. 