Welch Allyn 6000 Series Connex Vital Signs Monitor - User Manual - Manual (Page 157)

WARNING Inaccurate measurement risk. The pulse co-oximeter can be
used during defibrillation, but the reading may be inaccurate for up to 20
seconds.
WARNING Patient injury risk. Do not attempt to reprocess, recondition, or
modify any sensors or patient cables. Doing so might damage electrical
components.
WARNING Pulse rate measurement might not detect certain arrhythmias
because it is based on the optical detection of a peripheral flow pulse. Do
not use the pulse oximeter as a replacement or substitute for ECG-based
arrhythmia analysis.
WARNING Use the pulse co-oximeter as an early warning device. As you
observe a trend toward patient hypoxemia, use laboratory instruments to
analyze blood samples to better understand the patient's condition.
WARNING The accuracy of SpHb measurements can be affected by any
of the following:
•
elevated levels of total bilirubin
• elevated levels of Methemoglobin (MetHb)
• elevated levels of Carboxyhemoglobin (COHb)
• hemoglobin synthesis disorders
• low perfusion at the monitored site
• the presence of concentrations of some intravascular dyes, sufficient to
change the patient's usual arterial pigmentation
• patient movement
• patient conditions such as shivering and smoke inhalation
• motion artifact
• painted nails
• poor oxygen perfusion
• hypotension or hypertension
• severe vasoconstriction
• shock or cardiac arrest
• venous pulsations or sudden and significant changes in pulse rate
• proximity to an MRI environment
• moisture in the sensor
• excessive ambient light, especially fluorescent
• the use of the wrong sensor
• a sensor misapplied or dislodged
• severe anemia
• venous congestion
1. Verify that the sensor cable is connected to the monitor.
Directions for use Patient monitoring 151