<prompt> Drug of choice for maintenance therapy in PSVT is-AmiodaroneLignocaineVerapamilAdenosine  <response>: Ans. is c i.e., Verapamilo Amongst the options provided Verapamil is the drug of choice for maintenance therapy in pateints with PSVT.Treatment options for Supraventricular Tachycardiao Physiologic interventionRestValsalva maneuvers : Gag reflex, ice packs, etcCarotid massageAvoidance of inciting factors : Caffeine, tobacco, alcohol, pseudoephedrine, stress, etc.o MedicationsDrugs mth_direct effect on artrioventricular node or accessory pathway :Amiodarone Cordarone, Sotalol Betapace, class IC drugs flecainide , propafenone , etc.o Radiofrequency ablationo Electronic pacingPSVTNo limbing symptoms No Pre-excitationMild to miderate symptoms No Pre-excitationSevere symptoms or Pre-excitation NoTherapy PotentPreference CatheterAblation Unsuccessful DrugTherapyUnsuccessful---CatheterAblation1 Drug Therapy 