title: Electrocardiogram of the month. Abnormal hypokalemia.
mesh_terms: D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology; D007008:Hypokalemia / Q000175:diagnosis* / Q000503:physiopathology; D011188:Potassium / Q000097:blood
chemical_list: D011188:Potassium