KMID : 0356919920250020433
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Korean Journal of Anesthesiology 1992 Volume.25 No. 2 p.433 ~ p.435
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Occurrence of Hypercarbia due to a Defective Unidirectional Valve
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Abstract
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Hypercarbia can occur in spite of adequate ventilation if removal of carbon dioxide from the inspired gases is inadequate. Neither blood pressure nor heart rate is a reliable indicator of hypercarbia.
A 53-year old male, ASA physical status ¥±with mild hypertensive patient underwent primary repair because of rotator cuff tear of the shoulder.
Anesthesia was induced with thiopental-succinylcholine and maintained with pancuronium-Halothane-N2O-O2 in a semiclosed circle system.
We report occurrence of hypercarbia due to replacement with an incorrect unidirectional valve which is too small to function properly.
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