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→The Settings
*'''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 EPAP pressures.
*In using '''Tri-level''', Lowenstein recommends setup in a Bi-Level stage first, then apply Tri-Level option 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.*Each of the Bi-soft levels divide pressure and increased flow between exhalation and inspiration phases. This can be leveraged to target the weakness or instability in your breath shapes.
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Study of your flow rate graph in conjunction with mask pressure will be invaluable in fine tuning therapy settings.
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