There is no consensus on Emergency Department management of acute atrial fibrillation (AAF) or atrial flutter (AAFL). The Ottawa Aggressive Protocol, consisting of an IV procainamide infusion of 1 gram over 1 hour, electrical cardioversion, if necessary, by ED staff and discharge from the ED with outpatient cardiology follow-up, may be a safe and effective treatment for AAF and AAFL.>>> Discuss This Story