title: [Chaotic atrial rhythm].
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology; D003951:Diagnostic Errors; D004562:Electrocardiography; D006325:Heart Atria; D006801:Humans; D011446:Prospective Studies