[A case of intraoperative hyperkalemia induced with administration of an angiotensin II receptor antagonist (AIIA) and intake of dried persimmons].

An 87-year-old man was scheduled for cervical laminectomy. Anesthesia was maintained with nitrous oxide, oxygen, sevoflurane, and fentanyl with tracheal intubation. Thirty minutes after the start of operation, serum potassium was 7.