CPAP ventilation is a treatment that uses mild air pressure to keep your breathing airways open. Cpap machines deliver a steady continuous stream of pressurized air to patient's airways to prevent them from collapsing and causing apnea events. After performing the sleep study, your doctor will determine the pressure settings for your CPAP machine and set the machine to deliver that exact amount of pressure continuously. Sleep Apnea machines can be set to a single pressure that...