You're called to see a case in ICU. The patient had Coronary Artery Bypass Grafting (CABG) earlier and was doing well when the nursing staff noticed a change in the ECG. You diagnose his fresh ECG as atrial flutter. What would be next? 1. Amiodarone 2. Metoprolol 3. Digoxin 4.

Synchronized DC shock. Answer: Synchronized DC shock. It's very common to notice atrial flutter after CABG. It could have also been due to hypokalemia or hypomagnesemia. Hypoxemia and hypercarbia could also cause it. Amiodarone also works in this case very well.