title: Tall and peaked U waves in hypokalemia.
mesh_terms: D000328:Adult; D000368:Aged; D000435:Alcoholic Intoxication / Q000150:complications; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006801:Humans; D006947:Hyperkalemia / Q000175:diagnosis; D007008:Hypokalemia / Q000175:diagnosis* / Q000209:etiology; D008297:Male; D014700:Verapamil / Q000009:adverse effects
chemical_list: D014700:Verapamil