This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Poor prognostic factor in Acute Myocardial .infarction- 
Select and explain. 
A. VPC's in first 24 hours, B. Hypotension at diagnosis, C. Chest pain, D. Hypertension
B: Hypotension at diagnosis
Answer: B: Hypotension at diagnosis 
Explanation: None