5 9081 3 T CNAS 72 Nursing care for adult patients with oxygen therapy 6 5 90 6 T CNAS I 4 GB T 1 1 2009 T CNAS 1 72 WS T 367 WS T 510 2016 oxygen therapy arterial oxygen saturation 100ml oxygen saturation level measured by pulse oximetry arterial oxygen partial pressure O2 80 100mmHg arterial carbon dioxide partial pressure CO2 35 45mmHg T CNAS 2 hypoxemia 60mmHg 45mmHg oxygen toxicity 60 24h 100 6h controlled oxygen therapy 55 60mmHg 88 92 reservoir mask 600 l000mL venturi mask Venturi high flow nasal cannula oxygen therapy 21 100 31 37 8 80L min passover humidification bubble humidification T CNAS 3 SpO2 oxygen saturation level measured by pulse oximetry PaCO2 arterial carbon dioxide partial pressure FiO2 fractional inspired oxygen WS T 367 A 1 5L min 5 10L min 6 15L min 2 15L min 8 80L min pH 7 3 15L min 0 2MPa 1 5cm T CNAS 4 a b 1 2 c d 21 4L min 4L min 15L min WS T 510 2016 SpO2 SpO2 T CNAS 5 FiO2 100 6h FiO2 60 24h SpO2 SpO2 PaCO2 T CNAS 6 A 1 2 3 4 5 6 SpO2 100 7 8 9 10 11 SpO2 94 96 1 2 3 4 SpO2 88 92 1 2 3 4 5 6 7 8 9 SpO2 94 96 15L min 1 2 3 4 5 6 7 T CNAS 7 B 1 5L min 1 2 3 1 2 3 5L min 5 10L min 1 2 CO2 1 2 5L mi CO2 6 15L min 1 2 3 CO2 CO2 2 15L min 1 2 3 CO2 1 2 8 80L min 21 100 1 2