title: [Electrocardiogram of the month].
authors: Klinika Kardiologii CMKP, Warszawa, Poland.
authors: Ewa
authors: E
authors: Makowska
authors: Sebastian
authors: S
authors: Stec
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008133:Long QT Syndrome / Q000175:diagnosis*