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