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10 Cards in this Set
- Front
- Back
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pulse oximeters physics
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2 light emitting diodes (LED)
that project 2 wavelengthes |
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infra red light
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940nm
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red light
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660nm
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falsely high pulse ox
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co monoxide poisening
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falsely low pulse ox
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iv dyes
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limitation w/ pulse ox
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1. falsely high w/ co poisening
2. falsely low w/ iv dyes 3. inaccurate w/ underpurfused tissues 4. sensitive to artifact |
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decrease in ox sat is noted by change in what?
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pitch
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does vol change with decreasing o2 sats?
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no
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cont measurement of inhaled and exhaled co2
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capnography
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what standards state that ett placement must be verified via presence of etco2?
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aana
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