SpO
2
Product Safety 2-13
WarningWarning
Prolonged, continuous SpO
2
monitoring can increase the risk of changes in
skin characteristics, such as irritation, reddening, blistering or pressure
necrosis, particularly on patients with impaired perfusion and varying or
immature skin morphology. Specific attention must be given to sensor site
inspection for changes in skin quality, proper optical path alignment and
attachment. Check the application site at regular intervals and change the
site if any compromise in skin quality should occur. More frequent
checking can be required due to an individual patient's condition.
WarningWarning
Injected dyes such as methylene blue or intravascular dyshemoglobins such
as methemoglobin and carboxyhemoglobin can lead to inaccurate (over-
estimated) measurements.
WarningWarning
Interference leading to inaccurate measurements can be caused by:
- High levels of ambient light (Hint: cover application site with opaque
material)
- Electromagnetic interference
- Excessive patient movement and vibration.
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