The science
High risk patients require 12 — 25 cm H₂O to perfectly open their airway.
25
20
15
10
5
0
≤
Standard Nasal Cannula
≤ 7
High Flow Nasal Cannula
≥ 20
xchange nasal dock
XChange Provides More Consistent and Reliable EtCO₂ Sampling.
Superior EtCO₂ Sampling Capability
- Greater consistency in trace display due to ability to maintain seal
- Higher accuracy and reliability of readings throughout procedure
Exhaled CO₂ from lung
XChange = 87% of actual end tidal value
SuperNO₂VA Et = 78% of actual end tidal value
Cannula = 54% of actual end tidal value
mmHg CO₂
40
35
30
25
20
15
10
5
0
white papers
xchange nasal dock
WHITE PAPER08.2025