title: [Electrocardiogram of the month].
authors.forename: Ewa
authors.initials: E
authors.lastname: Makowska
authors.forename: Maciej
authors.initials: M
authors.lastname: Swiatkowski
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006801:Humans
vernacular_title: Elektrokardiogram miesiaca.