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KMID : 0374920040250010167
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Inje Medical Journal
2004 Volume.25 No. 1 p.167 ~ p.172
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Severe Hypercarbia Resulting from Expiratory Valve Malfunction.
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Ha Kyoung-Ho
Kim Mun-Chul
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Abstract
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Severe hypercarbia can develop for unidirectional valve malfunction and may go undetected during anesthesia. A 29-year-old male patient with history of bronchial asthma underwent tonsillectomy and septorhinoplasty due to chronic tonsillitis, depressed bulbous, and deviated septum of nose. Anesthesia was induced with thipental-vecuronium and maintained with enflurane-N2O-O2 in a semiclosed circle system. We experienced a case of severe hypercarbia from replacement with an incorrect expiratory valve.
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KEYWORD
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Hypercarbia, Unidirectional valve, Expiratory valve, Semiclosed circle system
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