Rad-5/5v Signal Extraction Pulse Oximeter Operator’s Manual 4-5
4
operation
NUMERIC DISPLAY - PULSE RATE
The Pulse Rate displayed on the Rad-5/5v may differ slightly from the heart rate displayed
on ECG monitors due to differences in averaging times. There may also be a discrepancy
between cardiac electrical activity and peripheral arterial pulsation. Significant differences
may indicate a problem with the signal quality due to physiological changes in the patient
or one of the instruments or application of the sensor or patient cable. The pulsations from
intra-aortic balloon support can be additive to the pulse rate displayed on the pulse oxime-
ter .
Successful SpO
2
monitoring
The following general points will aid in ensuring oximetry monitoring success.
■
Place the sensor on a site that is not too thick, has sufficient perfusion and provides
proper alignment of the LED’s and photodetector.
■
Place the sensor on a site that has unrestricted blood flow.
■
Do not constrict the monitoring site when securing a sensor with tape.
■
Do not select a site near potential electrical interference (electrosurgical unit, for
example).
■
Read the sensor Directions for Use for proper sensor application.
NUMERIC DISPLAY - SpO
2
Stability of the SpO
2
readings may be a good indicator of signal validity. Although stability
is a relative term, experience will provide a good feeling for changes that are artifactual or
physiological and the speed, timing, and behavior of each. The stability of the readings
over time is affected by the averaging mode being used. The longer the averaging time,
the more stable the readings tend to become. This is due to a dampened response as the
signal is averaged over a longer period of time than during shorter averaging times.
However, longer averaging times delay the response of the oximeter and reduce the meas-
ured variations of SpO
2
and PR.
MASIMO SENSORS
Before use, carefully read the LNOP sensor Directions for Use.
Use only Masimo oximetry sensors for SpO
2
measurements.
Tissue damage can be caused by incorrect application or use of an LNOP sensor, for exam-
ple by wrapping the sensor too tightly. Inspect the sensor site as directed in the sensor
Directions for Use to ensure skin integrity and correct positioning and adhesion of the sensor.
CAUTIONS:
■
DO NOT USE DAMAGED LNOP SENSORS. DO NOT USE AN LNOP SENSOR
WITH EXPOSED OPTICAL OR ELECTRICAL COMPONENTS. DO NOT
IMMERSE THE SENSOR IN WATER, SOLVENTS, OR CLEANING SOLUTIONS
(THE SENSORS AND CONNECTORS ARE NOT WATERPROOF). DO NOT
STERILIZE BY IRRADIATION, STEAM, AUTOCLAVE OR ETHYLENE OXIDE.
SEE THE CLEANING INSTRUCTIONS IN THE DIRECTIONS FOR USE FOR
REUSABLE MASIMO LNOP SENSORS.
■
DO NOT USE DAMAGED PATIENT CABLES. DO NOT IMMERSE THE PATIENT
CABLES IN WATER, SOLVENTS, OR CLEANING SOLUTIONS (THE PATIENT
CABLE CONNECTORS ARE NOT WATERPROOF). DO NOT STERILIZE BY
IRRADIATION, STEAM, AUTOCLAVE OR ETHYLENE OXIDE.
operation
4-4 Rad-5/5v Signal Extraction Pulse Oximeter Operator’s Manual
4
(116 stránky)
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