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Oxygen and limits

QuestionAnswer
What is pulmonary ventilation? The mechanical process of moving air in and out of the lungs
What is external respiration? The gas exchange process that occurs between the alveoli and the surrounding pulmonary capillaries
What is internal respiration? The gas exchange process that occurs between the cells and the systemic capillaries
What is cellular respiration (metabolism)? It is an aerobic process that breaks down glucose producing ATP, releases CO2, and water as a by-product.
What is the most common cause of airway obstruction in AMS? The tongue
What conditions can cause elevated CO2 and decreased O2? COPD, emphysema, and chronic bronchitis
What is hypoxia? Decreased O2 for the cells
What is hypoxemia? Low O2 in arterial blood
What is a sign of hypoxia in infants? Bradycardia
How should you measure a NPA? Tip of the nose to tip of the earlobe
How should you measure an OPA? Corner of the mouth to the angle of the jaw
What is the lowest level of oxygen therapy? Nasal cannula @ 2-6 lpm
What is a primary device used for high O2 saturation? NRB @ 10-15 lpm
What is the percent saturation of O2 for a nasal cannula? 22-44%
When should you begin rescue breathing? If breathing is inadequate or patient is in arrest
What does CPAP stand for? Continuous positive airway pressure
When should CPAP be used? Respiratory failure, COPD, and Pulmonary edema
What is BiPAP? Bilevel positive airway pressure
How does CPAP work? By delivering steady, pressurized air through a mask, keeping the throat airway open in patients who are spontaneously breathing
How does BiPAP work? It delivers two distinct pressure levels, higher for inhalation and lower for exhalation, improving oxygenation and decreasing CO2.
What is the rescue breathing ratio? 1 breath every 6 seconds
What is the minimum level for a normal O2? 94%
Created by: Kellbellll
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