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MCA II L-pg 1-7

Oxygen Therapy

QuestionAnswer
What is the goal of oxygen therapy to use the smallest possible to achieve the goal of therapy
Example of patient who can not tolerate high levels of oxygen therapy patients diagnosed with COPD
What level of FiO2 that can cause oxygen toxicity ? more than 50% for more than 48 hours known as Acute Lung Injury (ALI)
What will happen to patient exposed to oxygen toxicity? lung tissue will be damage
How does oxygen transport to cell and tissues oxygen binds with hemoglobin in the lungs which transport oxygen to the cell and tissues
How does CO2 gets exhaled? CO2 is brought back by hemoglobin and exchanged for oxygen in the lungs.
What are the oxygen deficiency? Hypoxemia and Hypoxia
What is Hypoxemia ? deficient oxygen levels in arterial blood.
What is Hypoxia? lack of oxygen at a tissue and cellular level
What are CO2 problems? Hypercapnia and Hypocapnia
What is hypercapnia too much CO2 in arterial blood
What is hypocapnia? too little CO2 in arterial blood
What is FiO2 Fraction of inspired oxygen, measured as a percentage to describe oxygen concentration delivery,
What is Nasal Cannula? simple and effective oxygen delivery device.
How does nassal cannula causes dry mucous membrannes when usage is more than 4L/min without humidification.
What is the flow rate range of nasal cannula? 1-6 L/min
How much % of FiO2 nasal cannula delivers? 24-44% FiO2
What is oxymizer is similar to nasal cannula but provides a reservoir of oxygen.
How much % of FiO2 can oxymizer delivers? 24-60% FiO2
What is the flow rate range of oxymizer? 1 - 15 L/min, it does not need humidification.
What is simple face mask? for short term use and advantageous for mouth breathers, but inhibits eating and drinking and mayy not be tolerated by people with claustrophobia.
How much % of FiO2 can simple face mask delivers? 40 - 60% FiO2
What is the flow rate range of simple face mask ? 1 - 8L/min
What is partial non-rebreather mask? use for patients who need higher concentrations of oxygen. Also provides a reservoir of oxygen.
How much % of FiO2 can partial non-rebreather mask delivers? 60-95% FiO2
What is the flow rate range of partial non-rebreather mask ? 6 - 10 L/min
What is partial non-rebreather mask caution? do not humidify as this will cause condensation build-up and decrease the functionality of the mask. The bag should be 2/3 inflated.
What is non-rebreather mask? similar to partial non-rebreather mask, but delivers highest concentration of oxygen without intubation with ETT or tracheostomy
How much % of FiO2 can non-rebreather mask delivers? 60-100% FiO2
What is the flow rate range of non-rebreather mask ? 6 - 15 L/min
What is venturi mask? a face mask that delivers a specified amount of humidified oxygen with color coded adapters.
How much % of FiO2 can venturi mask delivers? 24-60% FiO2
What is the flow rate range of venturi mask ? 4 - 12 L/min
What is face tent? a mask that delivers high concentrations of humidified oxygen
How much % of FiO2 can face tent delivers? 28-100% FiO2
What is the flow rate range of face tent ? 8 - 12 L/min
What is BiPAP? bi-level positive airway pressure. It delivers oxygen using positive pressure ventilation during the inspiratory phase and lessens its positive pressure during the expiratory phase.
What is CPAP ? continuous positive airway pressure. Delivers continously without changing the level of pressure during both inspiratory and expiratory phases.
What are the similarities of BiPAP and CPAP ? non-invasive mask, can be both hospital and home use, can be use for COPD patients or obstructive sleep apnea (OSA)
Created by: rt-study
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