Electrocardiographic abnormalities in COVID-19 patients visiting the emergency department: a multicenter retrospective study oleh Hugo De Carvalho, Lucas Leonard-Pons, Julien Segard, Nicolas Goffinet, François Javaudin, Arnaud Martinage, Guillaume Cattin, Severin Tiberghien, Dylan Therasse, Marc Trotignon, Fabien Arabucki, Simon Ribes, Quentin Le Bastard, Emmanuel Montassier