Which of the Following Indicate Severely Impaired Oxygenation Requiring High

question 15

Multiple Choice

Which of the following indicate severely impaired oxygenation requiring high FiO₂s and positive end expiratory pressure?
1) PaO₂-PaO₂ greater than 350 mm Hg on 100% O₂
2) VC less than 10 ml/kg
3) PaO₂/FiO₂ less than 200
4) PaCO₂ greater than 45 mm Hg

• A)1 and 4 only
• B)1 and 3 only
• C)2 and 3 only
• D)1, 2, and 4 only

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