Published: 25 January 2023
Author(s): Siddharth Agarwal, Muhammad Bilal Munir, Stavros Stavrakis, Jonathan P Piccini, Zain Ul Abideen Asad
Issue: May 2023
Section: Letter to the Editor

Studies have shown that coronavirus disease 19 (COVID-19) is an independent predictor of incident atrial fibrillation (AF) but the impact of pre-existing AF on the outcomes of patients hospitalized with COVID-19 is still unclear [1]. Some studies have reported a worse prognosis with comorbid AF in hospitalized patients with COVID-19, whereas others have reported no effect of AF on outcomes [2,3]. However, most of the published literature reporting the association between AF and COVID-19 is limited to single-center or small multi-center studies with limited sample sizes [4].


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