User's Manual

26 Chapter 2 Monitoring Welch Allyn Micropaq Monitor
Perform SpO
2
monitoring
WARNING Oxygen saturation measurements using pulse oximetry are highly
dependent on proper placement of the sensor and patient conditions. Patient
conditions such as shivering and smoke inhalation may result in erroneous
oxygen saturation readings. If pulse oximetry measurements are suspect, verify
the reading using another clinically accepted measurement method, such as
arterial blood gas measurements on a co-oximeter.
WARNING Use only accessories as listed in the Welch Allyn Products and
Accessories booklet (810-0409-XX). Use only Masimo accessories and sensors
with the Masimo SpO
2
option. Use only Nellcor accessories and sensors with
the Nellcor SpO
2
option. The monitor will only meet the listed specifications
when using accessories listed by Welch Allyn.
WARNING Use of Masimo LNOP
®
sensors/cables will not provide protection
in accordance with IEC defibrillation standards when used with this device.
WARNING Tissue damage can be caused by incorrect application or use of a
sensor (e.g., wrapping the sensor too tightly, applying supplemental tape, failing
to periodically inspect the sensor site, leaving a sensor on too long in one place).
Refer to the Directions for Use provided with each sensor for specific
instructions on application and use, and for description, warnings, cautions, and
specifications.
WARNING Sensors exposed to ambient light while not applied to a patient can
exhibit semi-normal saturation readings. Be sure the sensor is securely placed
on the patient and check its application often to ensure accurate readings.
WARNING Inaccurate measurements may be caused by venous pulsations.
WARNING The pulse oximeter can be used during defibrillation, but the
readings may be inaccurate for a short time.
WARNING The pulse oximeter should NOT be used as an apnea monitor.
WARNING A very sudden and substantial change in pulse rate can result in
erroneous pulse rate readings. Be sure to validate the patient data and patient
condition before intervention or change in patient care.
WARNING Interfering Substances: Carboxyhemoglobin may erroneously
increase readings; the level of increase is approximately equal to the amount of
carboxyhemoglobin present. Methemoglobin may also cause erroneous
readings. Dyes, or any substances containing dyes, that change usual arterial
pigmentation may cause erroneous readings.