title: ECG of the month. Atrial fibrillation with advanced AV block.
authors.forename: J I
authors.initials: JI
authors.lastname: Martinez-Lopez
mesh_terms: D001281:Atrial Fibrillation / Q000150:complications / Q000175:diagnosis*; D004562:Electrocardiography; D006327:Heart Block / Q000150:complications / Q000175:diagnosis*; D006801:Humans