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Flashcards in Pulse ox Deck (4)
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1

Based of what law

beer-Lambert Law

2

The pulse ox functions with 2 what

wavelengths of light

3

What are the 2 wavelengths of light? what they are absorbed by? and there nanometers of light used?

Red- absorbed by deoxyhemoglobin (660nm)
Infrared- Absorbed by oxyhemoglobin (940nm)

4

What alterations/conditins affect accuracy of pulse ox

Room lights
Cautery
Anemia
Blood dyes (methylene blue, indigo carmine)
Cold pt
Hypotensive
Thick skin, scars, nail polish, skin grafts, burns

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