title: Exit block.
mesh_terms: D000328:Adult; D000818:Animals; D004285:Dogs; D004562:Electrocardiography; D006327:Heart Block / Q000209:etiology*; D006329:Heart Conduction System / Q000503:physiopathology; D006352:Heart Ventricles; D006801:Humans; D000860:Hypoxia / Q000150:complications; D008297:Male; D008839:Microelectrodes; D009203:Myocardial Infarction / Q000150:complications; D010042:Ouabain; D010477:Perfusion; D013610:Tachycardia / Q000150:complications
chemical_list: D010042:Ouabain