title: [Chronic extrasinus tachycardia].
mesh_terms: D000367:Age Factors; D002648:Child; D002908:Chronic Disease; D004071:Digitalis Glycosides / Q000627:therapeutic use; D004357:Drug Synergism; D004562:Electrocardiography; D006801:Humans; D011379:Prognosis; D011802:Quinidine / Q000627:therapeutic use; D013610:Tachycardia / Q000175:diagnosis / Q000188:drug therapy
chemical_list: D004071:Digitalis Glycosides; D011802:Quinidine
vernacular_title: Przewlekły czestoskurcz pozazatokowy.