Drug of choice of paroxysmal supraventricular tachycardia is -: (A) Adenosine, (B) Digitalis, (C) Procainamide, (D) Mexiletine
Answer is A. Ans. is 'a'i.e., Adenosine Drugs of PSVT-1st choice - Adenosine2nd choice - CCBs (verapamil, diltiazem) or b-blockers.