Oxygen

Question 1

what O2 to aim for normal patients?

if O2 drops?

Answer 1

• 94-98%
• titrate O2 up and get ABG
  if CO2 ↑ above 6kPa get senior help

Question 2

what O2 to give a critically ill patient?

Answer 2

15L/min (non-rebreathe mask) 85-90%

reassess if oximetry sats <3% target range

Question 3

what CO2 to aim for in COPD?

Answer 3

88-92%

Question 4

who at risk of ↑ CO2 and therefore should have sats 88-92%?

how to give O2?

Answer 4

COPD
CF
bronchiectasis
NM disease
chest wall
morbidly obese

• 24%, 28%, or 1-2L/min nasal oxygen
• if pH still low, NIV + senior
• pH normal but CO2 ↑ - 24-28% venturi mask