title: Lithium: potassium gradient, muscle weakness and the EKG.
mesh_terms: D000328:Adult; D001714:Bipolar Disorder / Q000188:drug therapy; D004562:Electrocardiography; D006801:Humans; D007008:Hypokalemia / Q000139:chemically induced; D008094:Lithium / Q000009:adverse effects*; D008297:Male; D009135:Muscular Diseases / Q000139:chemically induced*; D011188:Potassium / Q000378:metabolism*
chemical_list: D008094:Lithium; D011188:Potassium