title: Letters to the Editor: Relation of electrolyte disturbances to cardiac arrhythmias.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000378:metabolism*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D011188:Potassium / Q000378:metabolism; D014882:Water-Electrolyte Balance
chemical_list: D011188:Potassium