This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pharmacology
Drug not to be given in ischemic heart disease is: 
Select and explain. 
A. Atenolol, B. ACE inhibitor, C. Isoproterenol, D. Streptokinase
C: Isoproterenol
Answer: C: Isoproterenol 
Explanation: Ans. (C) Isoproterenol(Ref: KDT 8/e p585)Isoproterenol is a b adrenergic agonist and is C/I in IHD as it can increase myocardial oxygen demand by causing tachycardia.