This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
[{'content': 'Decoction is used in CHF associated with \nSelect and explain. \nA. HOCM(hyperophic obstructive cardiomyopathy), B. High output failure, C. Atrial fibrillation with high ventricular rate, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref-Katzung 11/e p219 Digital should be for patients Who remain symptomatic even on diuretics and ACE inhibitor With hea failure who are in atrial fibrillation and acquire ventricular rate control NOTE: digitals is contraindicated in HOMC and higher output cardiac failure', 'role': 'assistant'}]