title: Unusual electrocardiographic manifestations of hypocalcemia.
mesh_terms: D002037:Bundle-Branch Block / Q000209:etiology*; D002118:Calcium / Q000627:therapeutic use; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D006996:Hypocalcemia / Q000188:drug therapy / Q000503:physiopathology*; D008297:Male; D008641:Mesenteric Vascular Occlusion / Q000150:complications; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis*; D013746:Tetany / Q000209:etiology
chemical_list: D002118:Calcium