This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: ECG and Arrhythmia 2, Subject name: Medicine
A 50-year-old patient presents with features of poor perfusion following MI. On examination, hea rate is 40/min with BP of 60 mmHg systolic. Atropine was given twice over 5 minutes, but the condition of the patient is not improving. What is the next best step? 
Select and explain. 
A. Transvenous Pacing, B. Transcutaneous Pacing, C. Implantable cardioveer defibrillator, D. Repeat atropine
B: Transcutaneous Pacing
Answer: B: Transcutaneous Pacing 
Explanation: ACLS 2015 guidelines: Case of symptomatic bradycardia with signs of poor perfusion--> Transcutaneous pacing is recommended.