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• At a fixed flow rate of supplemental oxygen flow, the inhaled oxygen
concentration will vary, depending on the pressure settings, patient breathing
pattern, mask selection, and the leak rate. This warning applies to most types of
CPAP and bi-level machines.
• At low CPAP or EPAP pressures the flow through the exhalation port may be
inadequate to clear all exhaled gas from the tubing. Some rebreathing may occur.
• Some users may experience skin redness, irritation, or discomfort. If this happens,
discontinue use and contact your healthcare professional.
• Consult a physician if any of the following symptoms occur: Unusual chest
discomfort, shortness of breath, stomach distension, belching, severe headache,
blurred vision, drying of the eyes, eye pain or eye infections.
• This mask should not be used on patients who are uncooperative, obtunded,
unresponsive, or unable to remove the mask.
• This mask is not recommended if the patient is taking a prescription drug that
may cause vomiting.
• Consult a physician or dentist if you encounter tooth, gum, or jaw soreness. Use of
a mask may aggravate an existing dental condition.
• A minimum of 3cm H₂O (hPa) must be maintained when using this mask.
• Attaching an exhalation device requires therapy pressure level adjustment to
compensate for increased leak.
• Do not overtighten the headgear straps. Watch for signs of overtightening, such
as excessive redness, sores or bulging
skin around the edges of the mask.
Loosen the headgear straps to
alleviate symptoms.
• Do not block or seal the anti-asphyxia
valve or exhalation ports.
Figure a
AMask Cushion with Exhalation Ports
(Do not block)
BMask Frame
CElbow with Anti-Asphyxia Valve
(Do not block)
DQuick Release Tabs
EQuick Release Tube with swivel
FHeadgear Crown Strap
GHeadgear Top Strap
HHeadgear Bottom Strap
IHeadgear Clip
1
A
B
C
D
E
2
F
G
H
I
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