title: [Electrocardiogram of the month].
authors.affiliation: Klinika Kardiologii CMKP, Warszawa, Poland.
authors.forename: E
authors.initials: E
authors.lastname: Makowska
authors.forename: E
authors.initials: E
authors.lastname: Czempik
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D010138:Pacemaker, Artificial