This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Electrocardiography, Subject name: Medicine
[{'content': 'Wide QRS complex is typically seen in - \nSelect and explain. \nA. Bundle Branch block, B. Sick sinus syndrome, C. Mobitz type 1 block, D. Mobithz type II block', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Bundle Branch block o Intrinsic intraventricular conduction delays such as left bundle block and right bundle branch block are associated with wide QRS complex.", 'role': 'assistant'}]