title: [Electrocardiogram of the month: heart block].
authors.affiliation: Klinika Kardiologii CMKP, Warszawa, Poland.
authors.forename: E
authors.initials: E
authors.lastname: Makowska
mesh_terms: D000368:Aged; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans