Pre-Existing Atrial Fibrillation in Hospitalized Patients with COVID-19: Insights from the CARDIO COVID 19–20 Registry oleh Wikler Bernal Torres, Juan Pablo Arango-Ibanez, Juan Manuel Montero Echeverri, Santiago Posso Marín, Armando Alvarado, Andrés Ulate, Paola Oliver, Ivan Criollo, Wilbert German Yabar Galindo, Sylvia Sandoval, William Millán Orozco, Fernando Verdugo Thomas, Franco Appiani Florit, Andrés Buitrago, Alejandra Ines Christen, Igor Morr, Luiz Carlos Santana Passos, Marlon Aguirre, Roger Martín Correa, Hoover O. León-Giraldo, Andrea Alejandra Arteaga-Tobar, Juan Esteban Gómez-Mesa