Table 1 Phase settings.

From: Intercostal thickening fraction adds no value to diaphragm thickening fraction in healthy subjects undergoing noninvasive ventilation

 

PEEP

ΔPinsp

Phase I

No connection to the ventilator

–

Phase II

0 cmH2O

0 cmH2O

Phase III

5 cmH2O

0 cmH2O

Phase IV

5 cmH2O

5 cmH2O

Phase V

5 cmH2O

10 cmH2O

  1. PEEP, positive end-expiratory pressure; ΔPinsp, inspiratory pressure support.
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