title: U wave alternans and increased ventricular irritability.
mesh_terms: D000328:Adult; D000437:Alcoholism / Q000150:complications; D003677:Deficiency Diseases / Q000150:complications; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008274:Magnesium / Q000097:blood; D014693:Ventricular Fibrillation / Q000188:drug therapy / Q000209:etiology / Q000503:physiopathology*
chemical_list: D008274:Magnesium