Impact of adding a filter for protection from toxic inhalational compounds to the ventilation circuit of mechanically ventilated patients

Table 3 Trigger gradient across the CBRN filter (cm H₂O)

Pressure generated proximal to filter	Pressure measured distal to filter	Pressure gradient across filter
−0.72	−0.50	0.22
−0.78	−0.43	0.35
−0.86	−0.63	0.23
−1.27	−0.78	0.49
−1.30	−1.11	0.19
−1.53	−1.32	0.21
−1.65	−1.21	0.44
−1.90	−1.36	0.54
−2.37	−1.66	0.71
−2.54	−1.57	0.97
−3.07	−1.68	1.39
−4.04	−2.65	1.39
Mean: −1.84	Mean: −1.24	Mean: 0.59

ISSN: 2054-314X