User's Manual

14-14
Factors which cause
significant variances in
sensor accuracy
■ Presence of dysfunctional
hemoglobins (COHb, MetHb).
■ Follow hospital procedure for
determining oxygenation in these
patients.
■ Presence of intravascular dyes
(indocyamine green, methylene blue)
depending on their concentration in
the blood stream.
■ Follow hospital procedure for
determining oxygenation in these
patients.
■ High ambient light level. ■ Reduce light levels near the patient.
■ Electrosurgical interference. ■ Follow hospital procedure for
determining oxygenation in these
patients.
■ Patient is significantly anemic (Hb less
than 5g/dl) or patient has received
large amounts of IV solutions.
■ Follow hospital procedure for
determining oxygenation in these
patients.
No SpO
2
alarms are
displayed
(telemetry only)
■ ECG “Leads Off” condition exists. ■ Re-attach ECG lead wires to patient
and resume ECG monitoring to clear
pending ECG alarms.
■ Higher priority alarm condition is
present.
■ Clear current alarm condition and/or
re-prioritize SpO
2
alarms of interest in
the Module Configuration Manager.
■ When SpO
2
alarms are set ON, all
SpO
2
alarm conditions will cause the
parameter value (or ???) to blink
according to the alarm priority set by
using the Module Configuration
Manager.
Clinical Situation Possible Cause Solution