| methohexital | <chemical> An intravenous anaesthetic with a short duration of action that may be used for induction of anaesthesia. Pharmacological action: anaesthetics, intravenous. (12 Dec 1998) |
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| methohexital sodium | Sodium alpha-dl-methyl-5-allyl-5-(1-methyl-2-pentynyl)barbiturate;an ultrashort-acting barbiturate used intravenously for induction and for general anaesthesia of short duration. (05 Mar 2000) |