284
EN MEDUCORE
Standard
2
WM
6840
1
0
4
/2
021
11 Alarms and faults
Implausible measured values
Strong ambient light or direct light,
UV light or infrared light
Remove or reduce light source.
Protect pulse oximetry sensor from
light incidence.
Attach pulse oximetry sensor to
another site which is better
protected from light.
Remove the patient and pulse
oximetry sensor from the light.
Cover the pulse oximetry sensor.
Intravascular dyes (e.g. methylene
blue)
Impairment of the measurement
result cannot be remedied.
Measures to treat patient based on
medical indication.
Nail varnish, artificial fingernails
• Rotate the pulse oximetry
sensor by 90°.
• Clean finger nail.
• Select a different suitable
measuring point.
Significant patient movement
Fix pulse oximetry sensor
connecting cable in a strain relief
loop on patient using adhesive
tape.
Fault
Cause
Remedy
