[Electrocardiogram of the month].
Makowska
Ewa
E
Klinika Kardiologii CMKP, Warszawa, Poland.
Rezler
Joanna
J
D000368:Aged; D001282:Atrial Flutter / Q000150:complications* / Q000175:diagnosis*; D004562:Electrocardiography; D006801:Humans; D006973:Hypertension / Q000150:complications*; D008297:Male; D012720:Severity of Illness Index