... ishigh, resulting in a much slower elimi-nation.Given alone, N2O (nitrous oxide,“laughing gas”) is incapable of produc-ing anesthesia of sufficient depth forsurgery. It has good analgesic ... (e .g. , advanced age,liver damage).Neuroleptanesthesia refers to thecombined use of a short-acting analge-sic, an injectable anesthetic, a short-act-ing muscle relaxant, and a low dose of ... short-acting opi-oid analgesics fentanyl, alfentanil, remi-fentanil is combined with the stronglysedating and affect-blunting neurolep-tic droperidol. This procedure is used inhigh-risk...