RT Book, Section A1 Rohatgi, Nidhi A1 Wang, Paul J. A2 Cohn, Steven L. SR Print(0) ID 1179531877 T1 Atrial Fibrillation T2 Decision Making in Perioperative Medicine: Clinical Pearls YR 2021 FD 2021 PB McGraw Hill PP New York, NY SN 9781260468106 LK accessmedicine.mhmedical.com/content.aspx?aid=1179531877 RD 2024/04/18 AB Postoperative atrial fibrillation (POAF) is the most common sustained arrhythmia after cardiac surgeries (valve surgeries more commonly than coronary artery bypass grafts), thoracic surgeries (most commonly pulmonary and esophageal surgery), and non cardiothoracic surgeries. POAF is a supraventricular tachyarrhythmia leading to ineffective atrial contractility that is newly diagnosed in the postoperative setting. Most of the literature on POAF pertains to cardiothoracic surgeries. Atrial fibrillation (AF) has conventionally been described using the duration of the episode, symptoms, or presence of valvular disease (Table 37-1).1,2