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Single breath induction of anaesthesia, using a vital capacity breath of halothane, nitrous oxide and oxygen



Single breath induction of anaesthesia, using a vital capacity breath of halothane, nitrous oxide and oxygen



Anaesthesia 41(5): 472-476



Inhalational induction of anaesthesia, using a single vital capacity breath of 4% halothane in 66% nitrous oxide and 33% oxygen was evaluated in 100 unpremedicated outpatients. The technique was found to be acceptable to most (91%) of the patients studied, with a mean (SD) induction time (measured from beginning of inspiration to loss of 'eyelash reflex') of 83(21) seconds. Relative cardiovascular stability was a notable finding of the technique, with a slight decrease in the mean arterial pressure of only 10%. Anaesthetic induction time was unaffected by age, weight or smoking habits. The technique of single breath induction is therefore proposed as a safe and acceptable alternative to intravenous induction in co-operative adult patients.

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Accession: 041372436

Download citation: RISBibTeXText

PMID: 3728908

DOI: 10.1111/j.1365-2044.1986.tb13269.x


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