title: Paradoxical changes in serum-potassium during cardiopulmonary bypass in association with non-cardioselective beta blockade.
mesh_terms: D002315:Cardiopulmonary Bypass; D003331:Coronary Vessels / Q000601:surgery; D006801:Humans; D006947:Hyperkalemia / Q000139:chemically induced*; D010096:Oxprenolol / Q000009:adverse effects*; D011300:Preoperative Care; D011433:Propranolol / Q000009:adverse effects*
chemical_list: D010096:Oxprenolol; D011433:Propranolol