Pharmacology Anti-Arrhythmic 91443c03 Drug of choice of paroxysmal supraventricular tachycardia is - A Adenosine B Digitalis C Procainamide D Mexiletine High-Yield Explanation Ans. is 'a'i.e., Adenosine Drugs of PSVT-1st choice - Adenosine2nd choice - CCBs (verapamil, diltiazem) or b-blockers.