Oxygen Therapy

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Last updated 4:35 PM on 8/25/26
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4 Terms

1
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When is supplemental oxygen generally indicated according to these pages?

  • PaO₂ ≤55 mmHg or SaO₂ ≤88% at rest

  • May also be indicated with slightly higher values in certain cardiopulmonary conditions


2
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Common oxygen delivery devices

  • Nasal cannula

  • Simple face mask

  • Partial/non-rebreather masks

  • Venturi mask


3
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Why is a Venturi mask important?

  • Provides a more precise FiO₂

  • Useful when controlled oxygen delivery is required


4
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PT implication

  • Oxygen is a medication

  • Do not independently change prescribed flow without appropriate authorization/protocol

  • Monitor SpO₂, symptoms, and response during activity