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
Digoxon is not affected in: 
Select and explain. 
A. Hepatic disease, B. Electrolyte disturbances, C. Renal failure, D. MI
A: Hepatic disease
Answer: A: Hepatic disease 
Explanation: Ref:KDT 5/e p463; KDT 6/e p497 Digoxin has also been associated with visual disturbance (blurred or yellow vision), abdominal pain, and breast enlargement. Patients with low blood potassium levels can developdigoxin toxicity even when digoxinlevels are not considered elevated.