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