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C:\fakepath\oxygen therapy ns
- 12. 14 l/min air entrained 14 l/min air entrained 2 l/min oxygen jet 2 l/min oxygen jet 30 l/min The Bernoulli Effect
- 13. Oxygen flow rate and concentration Respiratory distress Non-respiratory distress Minute vol (RR x TV) O 2 flow rate Oxygen concentration 30 l/min (40bpm x 750ml) 2 l/min 2 l/min of 100% oxygen + 28 l/min air drawn into mask (21%) = 30 l/min minute volume FiO 2 = (1.0x2) + (0.21x28) ./ 30 = 0.26 (26%) 5 l/min (10bpm x 500ml) 2 l/min 2 l/min of 100% oxygen + 3 l/min air drawn into mask (21%) = 5 l/min FiO 2 = (1.0x2) + (0.21x3) / 30 = 0.53 (53%)
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