title: THE PERCUTANEOUS INTRACAVITARY ELECTROCARDIOGRAM IN THE DIAGNOSIS OF ARRHYTHMIAS.
mesh_terms: D001145:Arrhythmias, Cardiac; D003327:Coronary Disease; D004071:Digitalis Glycosides; D004358:Drug Therapy; D004554:Electric Countershock; D004562:Electrocardiography; D005853:Geriatrics; D006333:Heart Failure; D009203:Myocardial Infarction; D010493:Pericarditis; D013610:Tachycardia; D013614:Tachycardia, Paroxysmal; D014116:Toxicology; D014262:Tricuspid Valve Insufficiency
chemical_list: D004071:Digitalis Glycosides
keywords: ARRHYTHMIA; CORONARY DISEASE; DIGITALIS GLYCOSIDES; DRUG THERAPY; ELECTRIC COUNTERSHOCK; ELECTROCARDIOGRAPHY; GERIATRICS; HEART FAILURE, CONGESTIVE; MYOCARDIAL INFARCT; PERICARDITIS; TACHYCARDIA, PAROXYSMAL; TOXICOLOGIC REPORT; TRICUSPID VALVE INSUFFICIENCY