Humidity & Bland Aerosol Lab · 02

BTPS & humidity deficit 44 minus what is present equals what the airway must add.

O₂ LabHumidity LabTrach Lab
Water already in inspired gasHumidity deficitBTPS target
The deficit is the unfinished work.
BTPS target: 44 mg H₂O/L37°C · 100% RH · P H₂O 47 mmHg 1 · Delivered gas44 mg/L 2 · Airway adds the deficit 3 · At BTPS44 mg/LBTPS complete