Fukuda Denshi LX-7230N, Operation Manual

Page: 39 / 101

6. SpO
2
Monitoring
19
C A U T I O N
SpO
2
sensors are not waterproof. Keep away from liquids.
Do not pick up the equipment pulling the sensor or cable part. It may get
disconnected from the equipment and the equipment may be dropped.
A message is displayed when the SpO
2
sensor is disconnected from the
equipment.
A message is displayed when the equipment detects that the SpO
2
sensor is disconnected from the patient. Properly attach the SpO
2
sensor to the patient.
Do not reuse the single-use SpO
2
sensor. It may cause incorrect
measurements.
Read through the instruction of the SpO
2
sensor as well.
C A U T I O N
The accuracy of SpO
2
measurement may be influenced by abnormal
hemoglobin, such as carbon monoxide hemoglobin (COHb) and
methemoglobin (MetHb). It may be also affected by cardiogreen or
intravascular dyes.
In addition, the following case may affect the accuracy of SpO
2
and pulse
rate measurement.
Outside light (direct sunlight, fluorescent, light therapy equipment,
surgical light, infrared heat ramp, etc.)
Hypoperfusion
Excessive body motion (patient’s motion)
Pigment injected to the blood for testing
In case of measurement during receiving CPR treatment
Placement of SpO
2
sensor on limb with a blood-pressure cuff, arterial
catheter
External colorant such as nail polish
Abnormally low or high hemoglobin concentration
Venous pulse
Electrosurgery
Influence of electromagnetic waves from other electronics
High-intensity radio waves from mobile phones