oxygen, diets, and charting.docx - Week 3 Lecture...

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Week 3 Lecture Highlights- Oxygenation, Nutrition, I & O, Documentation The concentration of oxygen in room air is 21% Liter flow rates o 1 liter flow increases concentration by 3% 21 + 3 = 24% at 1L o Each additional liter flow increases concentration by another 4% 28% = 2L Nasal cannula - 1-6L/min o Advantages Safe, simple, easy to apply Client can eat, talk, and ambulate Well-tolerated o Disadvantages Skin breakdown Make sure it’s loose-fitting to the face and ears because of the tubing resting on skin Dries mucosal lining Ambulate and transport client with portable tanks Highly flammable Tubing can be easily dislodged Ineffective for mouth breathers Nursing interventions for oxygen delivery via nasal canula o Assess patency of nares o Ensure proper fit o User water soluble gel to prevent dry nares o Provide humidification if greater than 4L/min Simple mask - 5-8L/min o Advantages Good for mouth breathers Simple mask
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More comfortable than nasal cannula Provides humidified oxygen Higher liter amount than cannula o Disadvantages Inconvenient for eating Not good for people who have a compromised airway Droplet buildup = aspiration risk o Considerations What do you do when a patient needs to eat while wearing a mask? Put canula on and stay with them Flow rates less than 5L/min can cause CO2 retention Clients who have anxiety or claustrophobia do not tolerate Eating, drinking, and talking are impaired Moisture and pressure can collect creating opportunity for skin breakdown o Interventions: Assess proper fit and seal over the mouth & nose Provide another method of O2 delivery during meals Monitor for skin breakdown Use with caution in clients at risk for aspiration Moisture collecting area If precipitate falls into oral cavity from mask Optimal position is Fowlers (45 degrees) It takes 20 minutes to see a change in a patient condition when an oxygen concentration is adjusted Managing oxygen o Requires an order from a HCP Oxygen is technically a drug, so you need orders o 20 minutes to see a change
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  • Summer '17
  • Hemoglobin, Kilogram, Pulse oximetry, carbon monoxide poisoning

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