title: Electrolytes and cardiac arrhythmias.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000188:drug therapy / Q000378:metabolism*; D003201:Computers; D004573:Electrolytes / Q000378:metabolism*; D006801:Humans; D008012:Lidocaine / Q000008:administration & dosage; D008297:Male; D009200:Myocardial Contraction
chemical_list: D004573:Electrolytes; D008012:Lidocaine