title: [Ectopic rhythm in patients with endocardial stimulation of the heart].
mesh_terms: D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D004699:Endocardium; D006339:Heart Rate; D006801:Humans; D008297:Male; D008564:Membrane Potentials; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology*; D009206:Myocardium / Q000378:metabolism; D011188:Potassium / Q000378:metabolism
chemical_list: D011188:Potassium
vernacular_title: Ektopicheskiĭ ritm u bol'nykh s éndokardial'noĭ stimuliatsieĭ serdtsa.