title: [Electrocardiogram of the month].
authors.affiliation: Klinika Kardiologii CMKP, Warszawa, Poland.
authors.forename: E
authors.initials: E
authors.lastname: Makowska
mesh_terms: D000368:Aged; D000787:Angina Pectoris / Q000175:diagnosis* / Q000503:physiopathology; D003937:Diagnosis, Differential; D004562:Electrocardiography; D004696:Endocarditis / Q000175:diagnosis* / Q000503:physiopathology; D005260:Female; D006801:Humans