G2S A20 / G2S C20 User Manual V1.0
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IMPORTANT!
• Read and understand the entire user manual before operating this system. If you have any questions
concerning the use of this system, contact your home care provider or health care professional.
4. Contraindications
Studies have shown that the following pre-existing conditions may contraindicate the use of
positive airway pressure therapy for some patients:
Absolute Contraindications: Pneumothorax, mediastinal emphysema; cerebrospinal fluid
leak, traumatic brain injury, or pneumocephalus; shock caused by a variety of conditions
before treatment; active epistaxis; upper gastrointestinal bleeding before treatment; coma
or impaired consciousness making the use of mask during therapy impossible; giant vocal
fold polyp, etc.
Relative Contraindications: Severe coronary heart disease complicated with left
ventricular failure, acute otitis media, excessive respiratory secretions and weak cough, weak
spontaneous breathing, nasal or oral tracheal intubation and tracheotomy, severe nasal
congestion caused by a variety of conditions, lung bullae, and allergies to breathing masks,
etc.
The following side effects may occur during treatment:
- Dryness of the mouth, nose and throat
- Abdominal bloating
- Ear or sinus discomfort
- Eye irritation
- Skin irritation due to the use of a mask
- Chest discomfort
IMPORTANTS!
• An irregular sleep schedule, alcohol consumption, obesity, sleeping pills, or sedatives may
aggravate your symptoms.
• Please use a mask which meets ISO 17510: 2015.
CAUTION!
• Contact your health care professional if symptoms of sleep apnea recur. Contact your
health care professional if you have any questions concerning your therapy.
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