This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
A patient of acute myocardial infarction being treated in intensive care unit developed left ventricular failure with raised central venous pressure. It was decided to use nitroglycerine. Which route of administration would be most suitable? 
Select and explain. 
A. Sublingual, B. Oral, C. Intravenous bolus injection, D. Slow intravenous infusion
D: Slow intravenous infusion
Answer: D: Slow intravenous infusion 
Explanation: (Ref: KDT 6/e p527) Nitrates can be used in acute LVF by slow i.v. infusion.