Changes

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*'''BiSoft modes''' apply a gradual ramp upto a pressure level known as '''EEPAP''' (end expiratory positive airway pressure). This end of expiration pressure is applied at the most critical time for airway collapse and provides important airway stenting, in preparation for inspiration. It can limit central apnea, round out exhalation and permit generally lower pressures.

*Lowenstein recommends setup in a Bi-Level stage first, then apply '''Tri-Level''' to use their predetermined comfort 'pressure reduction'. Lowenstein recommend return to Bi-level for further adjustment.This is due to the machine adding and subtracting pressure from IPAP and EPAP with an unseen algorithm at certain pressures, which can confuse settings.

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