The interval throughout which a CPAP machine progressively will increase air strain from a low place to begin to the prescribed therapeutic strain is called its preliminary strain improve function. This function permits customers to go to sleep extra simply with decrease strain, then comfortably obtain the total therapeutic strain as they sleep. For instance, a machine may start at 4 cm H2O and slowly improve over 45 minutes to a last strain of 12 cm H2O.
This gradual strain improve improves consolation and reduces widespread points like issue exhaling in opposition to excessive strain when first falling asleep, claustrophobia, and aerophagia (air swallowing). This function has turn out to be an ordinary inclusion on trendy CPAP units, contributing considerably to raised affected person compliance and profitable remedy. Early CPAP machines lacked this consolation function, making remedy initiation tougher for some customers.
