This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiomyopathies, Subject name: Medicine
Digoxin is contraindicated in? 
Select and explain. 
A. Small VSD with hea failure, B. Viral myocarditis with hea failure, C. Atrial fibrillation with hea failure, D. Small ASD with hea failure
B: Viral myocarditis with hea failure
Answer: B: Viral myocarditis with hea failure 
Explanation: Digoxin C/I in HOCM Adult Patient with HFrEF Viral Myocarditis Option C: A. fibrillation rate control= Esmolol A.Fibrillation +BP<80= Digoxin A.Fibrillation + Acute CHF= Digoxin