FiO2 vs. SpO2 vs. PaO2

Question 1

If the FiO2 is (0.21), what should the SpO2 (%) and PaO2 (mmHg) be?

Answer 1

SpO2 = 98%
PaO2 = 80 mmHg

Question 2

If the FiO2 is (0.4), what should the SpO2 (%) and PaO2 (mmHg) be?

Answer 2

SpO2 = 100%
PaO2 = 180 mmHg

Question 3

If the FiO2 is (0.6), what should the SpO2 (%) and PaO2 (mmHg) be?

Answer 3

SpO2 = 100%
PaO2 = 280 mmHg

Question 4

If the FiO2 is (0.8), what should the SpO2 (%) and PaO2 (mmHg) be?

Answer 4

SpO2 = 100%
PaO2 = 380 mmHg

Question 5

If the FiO2 is (1.0), what should the SpO2 (%) and PaO2 (mmHg) be?

Answer 5

SpO2 = 100%
PaO2 = 480 mmHg