A hypertensive patient has heart rate of 50 beats/min and taking tablet atenolol 200 mg/day in divided doses. After anaesthesia, heart rate further fell down to 40 beats/min. What will be the appropriate treatment to improve heart rate:: (A) IV adrenaline, (B) IV atropine, (C) IV isoprenaline, (D) Dobutamine infusion intravenously
Answer is B. None