Atrial dissociation with partial auricular tachysystole.
D000328:Adult; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D002648:Child; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000150:complications