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8 Cards in this Set
- Front
- Back
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Classification of RF
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Type 1
Type 2 |
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Type 1
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Hypoxemic RF **
PaO2 < 60 mmHg with normal or ↓ PaCO2 Associated with acute diseases of the lung Pulmonary edema (Cardiogenic, noncardiogenic (ARDS), pneumonia, pulmonary hemorrhage, and collapse |
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Type 2
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Hypercapnic RF
PaCO2 > 50 mmHg Hypoxemia is common Drug overdose, neuromuscular disease, chest wall deformity, COPD, and Bronchial asthma |
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Acute RF
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Develops over minutes to hours
↓ pH quickly to <7.2 Example; Pneumonia |
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Chronic RF
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Develops over days
↑ in HCO3 ↓ pH slightly Polycythemia, Corpulmonale Example; COPD |
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Hypoxemia
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abnormally low PaO2
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Hypoxia
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tissue oxygenation inadequate to meet metabolic needs
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Hypercarbia
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elevated PaCO2
Respiratory failure may be acute or chronic |
