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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.
The VPAP machines and the CPAP machines have other differences as well. The main illness that CPAP machines treat and manage is obstructive sleep apnea. The VPAP machines are generally prescribed for congestive heart failure, sleep apnea, respiratory illnesses and more.