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Adaptive Servo-Ventilation (ASV)

This system continually changes the inspiratory pressure support on a breath-by-breath basis in order to achieve a target ventilation or flow for a more constant breathing pattern. Automatic forms of servo ventilation also increase EPAP (Expiratory Positive Airway Pressure) in response to airway obstruction.

ASV is used for patients with Cheyne-Stokes Respiration (CSR), Central Sleep Apnea (CSA), congestive heart failure, or complex sleep apnea. Central Sleep Apnea (CSA) occurs when your brain doesn’t send proper signals to the muscles that control your breathing.

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