<prompt> Drug of choice for paroxysmal supraventricular tachycardia is?MetoproloiAmiodaroneAdenosineLidocaine  <response>: ANSWER: C AdenosineREF: Harrisons Principles of Internal Medicine 17th ed chapter 226See APPENDIX-40 for DRUGS USED IN ARRHYTHMIAS DoseIndicationSide effectsAdenosine6-18 mg rapid bolusTerminate reentrant SVT involving AV nodeCough, flushingSVT - SUPRA VENTRICULAR TACHYCARDIA 