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75023
• Prolonged and/or excessive patient movement
• lntravascular dyes or externally applied coloring, such as nail polish
or pigmented cream
• failure to cover the sensor site with opaque material in high ambient
light conditions
Loss-of-pulse signal can occur for the following reasons:
• The sensor is applied too tightly
• A blood pressure cuff is inflated on the same extremity as the one
with the sensor attached
• There is arterial occlusion proximal to the sensor
• Poor peripheral perfusion
Note: An extension cable may be used to provide more distance
between the 75023 and the sensor. Use the extension cable available
from Concord Health Supply.
Notifications triggered by a vital sign that appears abnormal or by technical
5.5 Alarm Notifications
problems of the Pulse Oximeter, are presented to the user by visual and
audible notification indications.
By nature, the pulse oximeter's notifications can be classified into three
5.5.1 Alarm Notification Categories
categories: physiological, technical and prompt messages.
1) Physiological notifications
Physiological notifications, also called patient status notifications,
are triggered by a monitored parameter value that violates set notice
limits or an abnormal user condition.
2) Technical notifications
Technical notifications, also called system status notifications, are
triggered by a device malfunction or user data distortion due to
improper operation or system problems.
3) Prompt messages
Prompt messages are not notification messages and are displayed
in the technical notice area. Apart from the physiological and
technical messages, the pulse oximeter will show some messages
which indicate the system status.
By severity, the pulse oximeter's physiological notifications can be
5.5.2 Visual Alarm Notification levels
classified into three categories: high level notifications, medium level
notices and low level notifications.
1) High level notifications
Indicate that the user is in a life threatening situation and an
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Copyright. Concord Health Supply. Inc.
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