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
At high altitude of around 3000 meters, a person complains of breathlessness. All of the following can be used for management EXCEPT: 
Select and explain. 
A. Intravenous digoxin, B. Oxygen consumption, C. Immediate descent, D. Acetazolamide
A: Intravenous digoxin
Answer: A: Intravenous digoxin 
Explanation: High altitude pulmonary edemaHigh altitude cerebral edema/acute mountain sickness* Immediate descent to at least 2000 feet (If possible)* Rest, reclined with head elevation* O2 supplementation (SpO2 >90%)* Nifedipine or sildenafil* Immediate descent to at least 2000 feet (If possible)* Rest, reclined with head elevation* Mild - Acetazolamide* Moderate/Severe- Dexamethasone