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: Medicine
All the following are drugs are used in the management of acute myocardial infraction except 
Select and explain. 
A. Tissue plasminogen activator, B. Intravenous beta blockers, C. Acetylsalicylic acid, D. Calcium channel blockers
D: Calcium channel blockers
Answer: D: Calcium channel blockers 
Explanation: Ref Harrison 19 th ed pg 1596 Results of multiple trials of different calcium antagonists have failed to establish a role for these agents in the treatment of most of the patients with MI .