<prompt> A patient, Sunder is admitted to the emergency with severe bradycardia following drug overdose. The concerned drug was being taken for hypeension. When of the following cannot be the drug?ClonidineHydralazinePropanololReserpine  <response>: Ref: KDT 6e p547 It is a vasodilator and can result in reflex tachycardia. All other drugs listed in the question clonidine, propanolol, reserpine decrease the activity of sympathetic system and can result in bradycardia. 