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Auto CPAP or APAP Machines. Similar to the CPAP machine, auto adjusting or APAP machines automatically calculate a patientâs required pressure and adjust to a comfortable level without any pre-set programming. These machines are ideal for patients who have various pressures during the night.
Continuous positive airway pressure (CPAP) machines are used to maintain an open airway in patients diagnosed with obstructive sleep apnea. The machine functions by blowing pressurized air into the airway via mask at a setting determined by sleep study and prescribed by a physician.