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80-0084-00-RevB SunTech Vet30E User Manual | 25
2019-12-04
WARNING:
Inaccurate SpO
2
readings may be caused by:
•
Improper sensor application and placement
•
Elevated levels of COHb or MetHb: High levels of COHb or MetHb may occur with a seemingly normal SpO2.
When elevated levels of COHb or MetHb are suspected, laboratory analysis (CO-Oximetry) of a blood sample
should be performed.
•
Elevated levels of bilirubin
•
Elevated levels of dyshemoglobin
•
Vasospastic disease, such as Raynaud’s, and peripheral vascular disease
•
Hemoglobinopathies and synthesis disorders such as thalassemias, Hb s, Hb c, sickle cell, etc.
•
Hypocapnic or hypercapnic conditions
•
Severe anemia
•
Very low arterial perfusion
•
Extreme motion artifact
•
Abnormal venous pulsation or venous constriction
•
Severe vasoconstriction or hypothermia
•
Arterial catheters and intra-aortic balloon
•
Intravascular dyes, such as indocyanine green or methylene blue
•
Externally applied coloring and texture, such as nail polish, acrylic nails, glitter, etc.
•
Birthmark(s), tattoos, skin discolorations, moisture on skin, deformed or abnormal fingers. etc.
•
Skin color disorders
WARNING:
Interfering Substances: Dyes or any substance containing dyes that change usual blood pigmentation
may cause erroneous readings.
WARNING:
Masimo SpO
2
is empirically calibrated in healthy adult volunteers with normal levels of
carboxyhemoglobin (COHb) and methemoglobin (MetHb).
WARNING:
Measuring SpO
2
in the presence of bright light may result in inaccurate measurements. In such cases,
cover the sensor site with an opaque material.
WARNING:
Do not apply tape to secure the sensor in place or to tape it shut. Venous pulsations may lead to
inaccurate saturation measurements.
WARNING:
Pressurization of the cuff can temporarily cause loss of functionality of SpO
2
if simultaneously using
device on the same limb.
WARNING:
Excessive pressure by a pulse oximeter probe for prolonged periods can induce pressure injury.
CAUTION:
When patients are undergoing photodynamic therapy, they may be sensitive to light sources. Pulse
oximetry may be used only under careful clinical supervision for short time periods to minimize interference with
photodynamic therapy.
CAUTION:
If SpO2 values indicate hypoxemia, a laboratory blood sample should be taken to confirm the patient’s
condition.
CAUTION:
Variation in measurements may be profound and may be affected by sampling technique as well as the
patient's physiological conditions. Any results exhibiting inconsistency with the patient’s clinical status should be
repeated and/or supplemented with additional test data. Blood samples should be analyzed by laboratory
instruments prior to clinical decision making to completely understand the patient’s condition.
CAUTION:
Do not submerge the pulse oximeter in any cleaning solution or attempt to sterilize by autoclave,
irradiation, steam, gas, ethylene oxide or any other method. This will seriously damage the pulse oximeter.
7.1 Masimo Pulse Oximetry
Masimo Patents: www.masimo.com/patents.htm