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- *O2 saturation on pulse oximetry typically at 85% due to a "saturation gap" → caused by absorption wavelength
- PaCO2 is decreased due to hyperventilation
- Standard pulse oximetry is unable to detect methemoglobin, thus it displays a false oxygen saturation reading (vs. CO-oximetry, which can detect hemoglobin, methemoglobin, and carboxyhemoglobin)
- Unbound O2 (PaO2) is still normal - the oxygen simply cannot bind to Fe3+ and cannot be released to tissues once bound to MetHb (thus causing cyanosis)
- *O2 saturation on pulse oximetry typically at 85% due to a "saturation gap" → caused by absorption wavelength
- PaCO2 is decreased due to hyperventilation
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Pathoma
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First Aid


Sketchy
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Sketchy 2
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Picmonic
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Bootcamp
Watch associated Bootcamp video - Blood Physiology : Abnormal Oxygen Levels
Watch associated Bootcamp video - Side Effects and Toxins: Environmental Toxins and their Treatments
Watch associated Bootcamp video - Antibiotics: Pyrazinamide, Ethambutol, Dapsone, and Clofazimine
Watch associated Bootcamp video - Side Effects and Toxins: Environmental Toxins and their Treatments
Watch associated Bootcamp video - Antibiotics: Pyrazinamide, Ethambutol, Dapsone, and Clofazimine
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