title: Bradycardia-dependent atrio-ventricular block. Report of two cases of A-V block elicited by premature beats.
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000188:drug therapy; D001919:Bradycardia / Q000150:complications*; D006328:Cardiac Catheterization; D004071:Digitalis Glycosides / Q000627:therapeutic use; D004232:Diuretics / Q000627:therapeutic use; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000209:etiology*; D006329:Heart Conduction System; D006333:Heart Failure / Q000209:etiology; D006801:Humans; D013610:Tachycardia
chemical_list: D004071:Digitalis Glycosides; D004232:Diuretics