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What is the ResMed AirCurve™ 11?
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What therapy modes does the AirCurve 11 come in?
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The AirCurve™ 11 is available in three primary models, each representing a different therapy mode:
- AirCurve 11 VAuto – Auto-adjusting bilevel mode
- AirCurve 11 S – Fixed (spontaneous) bilevel mode
- AirCurve 11 ASV – Adaptive Servo‑Ventilation mode
How is bilevel therapy different from CPAP?
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Who typically needs bilevel therapy?
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Bilevel therapy may be recommended for individuals with:
- Central sleep apnea
- Complex or severe obstructive sleep apnea
- Chronic obstructive pulmonary disease (COPD)
- Obesity hypoventilation syndrome
- Neuromuscular disorders (ALS, spinal cord injuries, muscular dystrophy)
- Difficulty tolerating CPAP pressure
How is bilevel therapy different from CPAP?
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CPAP provides one continuous pressure, while bilevel machines provide two pressures, one for inhalation and one for exhalation. This dual-pressure setup is often more comfortable for people who struggle to exhale against a constant pressure or who have more complex breathing needs.
Is bilevel therapy comfortable?
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Many patients find bilevel therapy more comfortable than CPAP because the lower exhalation pressure makes breathing feel more natural.
