title: [Etiology of extrasystole and its place among cardiac rhythm disorders].
authors: N R
authors: NR
authors: Paleev
authors: L I
authors: LI
authors: Kovaleva
mesh_terms: D000200:Action Potentials; D001145:Arrhythmias, Cardiac / Q000145:classification* / Q000503:physiopathology; D001283:Atrioventricular Node / Q000503:physiopathology; D005117:Cardiac Complexes, Premature / Q000145:classification / Q000209:etiology*; D006325:Heart Atria / Q000503:physiopathology; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D011690:Purkinje Fibers / Q000503:physiopathology
vernacular_title: O proiskhozhdenii ékstrasistolii i ee meste sredi narusheniĭ ritma serdtsa.