title: Relationship between atrioventricular arrhythmias and the concentration of K+ ion in cardioplegic solution.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D001831:Body Temperature; D004305:Dose-Response Relationship, Drug; D006321:Heart / Q000187:drug effects*; D006324:Heart Arrest, Induced; D006327:Heart Block / Q000139:chemically induced*; D006801:Humans; D007477:Ions; D008875:Middle Aged; D010725:Phosphocreatine / Q000378:metabolism; D011188:Potassium / Q000008:administration & dosage*
chemical_list: D007477:Ions; D010725:Phosphocreatine; D000255:Adenosine Triphosphate; D011188:Potassium