This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: ECG and Arrhythmias 1, Subject name: Medicine
[{'content': 'Which of the following is not seen with hyperkalemia? \nSelect and explain. \nA. Sinus bradycardia, B. Ventricular tachycardia, C. Slow idioventricular rhythm, D. Bidirectional tachycardia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Bidirectional tachycardia - associate with digoxin toxicity but MC - Ventricular Bigeminy K+ slows the hea it can trigger sinus bradycardia contribute to sinus arrest Hyperkalemia - Diastolic arrest Sinus bradycardia Slow idioventricular rhythm Digoxin toxicity Ventricular Bigeminy Nonparoxysmal atrial tachycardia with AV block Bidirectional Tachycardia', 'role': 'assistant'}]