10 gas analysis
TRANSCRIPT
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NGR 6993 Technology in Anesthesiology Nursing
Gas Analysis
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Why Monitor Gases?
• Standards• Equipment status monitor• Patient status monitor
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What gases are monitored?
• Oxygen• Carbon dioxide• Nitrous oxide• Nitrogen• Anesthetic agent• Inspired Concentration• Expired Concentration
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Oxygen Analyzer
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What other O2 monitors are used?
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Agent Analyzers
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End-tidal CO2
•Production•Mobilization•Elimination
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Capnometer
• ventilation must be sufficient to carry oxygen into the lungs • oxygen is being transported to the mitochondria (CV function) • aerobic metabolism is consuming this oxygen and producing CO2 • CO2 is being transported to the lungs (CV function) • CO2 in the expired air gives an indication of adequate ventilation
What it tells you
What it doesn’t tell you
Does not tell about regional blood flow, cerebral or cardiac ischemia can occur with normal ET CO2.
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End-tidal CO2 Monitor
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End-tidal CO2 Monitor
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Portable Capnography
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Portable Capnography
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Colormetric ETCO2 Detector
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CO2 Sampling via N/C
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CO2 Sampling via N/C
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CO2 Sampling via N/C
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Capnography
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Capnography
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Capnography
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Capnography
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Capnography
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Capnography
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Capnography
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Capnography
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Capnography
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Capnography
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Capnography
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Capnography
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Capnography
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