Precautions; Oxygen Use; Adverse Effects - ResMed CPAP S6 Clinician Manual

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RECAUTIONS
The following are general precautions. Specific precautions appear next to the
relevant instructions in the manual.
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RECAUTION
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XYGEN USE
WARNING
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At a fixed rate of supplemental oxygen flow, the inhaled oxygen concentration will
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vary, depending on the pressure settings, patient breathing pattern, mask selection
and leak rate.
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DVERSE FFECTS
The following adverse effects may arise during the course of CPAP treatment:
headache; middle ear or sinus discomfort; chest pain; dryness of the nose, mouth
or throat; bloating; skin irritation due to sensitivity to the materials in the mask
system.
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Explanation: this device is intended to be used with special masks which have
vent holes to allow continuous flow of air out of the mask. When the device is
turned on and functioning properly, new air from the device flushes the
exhaled air out through the mask vent holes. However, when the device is not
operating, insufficient fresh air will be provided through the mask, and the
exhaled air may be rebreathed. Rebreathing of exhaled air for longer than
several minutes can, in some circumstances, lead to suffocation.
At low pressures, the flow through the exhalation ports may be inadequate to
clear all exhaled gas from the tubing. Some inconsequential rebreathing may
occur.
The patient should never open the ResMed CPAP S6 case. There are no user
serviceable parts inside. Repairs and internal servicing should only be
performed by an authorised service agent.
If oxygen is used with this device, the oxygen flow must be turned off when
the device is not operating.
Explanation: when the device is not in operation and the oxygen flow is left
on, oxygen delivered into the air delivery tubing may accumulate within the
device enclosure and create a risk of fire.
Oxygen supports combustion. Oxygen should not be used while smoking or in
the presence of an open flame.