title: [Diagnosis of first-degree sinoatrial block].
authors.forename: A G
authors.initials: AG
authors.lastname: Latypov
mesh_terms: D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis*; D006801:Humans; D012848:Sinoatrial Block / Q000175:diagnosis* / Q000503:physiopathology; D012849:Sinoatrial Node / Q000503:physiopathology*
vernacular_title: Diagnostika sinoatrial'noĭ blokady I stepeni.