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': 'Which of the following drug does not contribute to Digoxin toxicity \nSelect and explain. \nA. Hyperkalemia, B. Hypercalcemia, C. Renal failure, D. Hypomagnesamia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Refer kDT 7/e p 5116 Digoxin toxicity can induce literally every arrhythmia except for rapidly conducted atrial arrhythmias ( and ). The classic arrhythmias seen during digoxin toxicity include atrial tachycardia with a 2:1 conduction, bidirectional ventricular tachycardia and atrial fibrillation with a slow ventricular response.', 'role': 'assistant'}]