Peak incidence of atrial fibrillation after cardiac surgery is on:
Correct answer: 2. Day 2
Peak incidence of post cardiac surgery AF is on second post operative day .
European guidelines on the prevention of post operative AF after cardiac surgery give a class I recommendation with level of evidence A for perioperative administration of beta blockers .
It may be noted that AF is one of the most common complications after cardiac surgery and it can increase morbidity and mortality. They may need prolonged ventilatory support and increase length of hospital stay. Risk of renal failure and stroke can be increased.
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Kirchhof P, Benussi S, Kotecha D, Ahlsson A, Atar D, Casadei B, Castellá M, Diener HC, Heidbuchel H, Hendriks J, Hindricks G, Manolis AS, Oldgren J, Alexandru Popescu B, Schotten U, Van Putte B, Vardas P. 2016 ESC guidelines for the management of atrial fibrillation developed in collaboration with EACTS. Eur J Cardiothorac Surg 2016;50:e1-e88.