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PTA Blood Gases
Term | Definition |
---|---|
Acid Base Balance (pH) | 7.35-7.45 |
Ventilation (PaCO2) | 35-45 mm Hg at sea level breathing ambient air |
Oxygenation of Arterial Blood (PaO2) | 80-100 mm Hg at sea level breathing ambient air |
Bicarbonate (HCO3-) | 22-26 mEq/L |
Percent Oxygen Saturation of Hemoglobin (SaO2) | 95-98% |
Acidemia | elevated acidity of blood,<7.35; increased hydrogen |
Alkalemia | decreased acidity of blood, >7.45; increased bicarbonate (respiratory); decreased acidity (metabolic) |
Hypoxemia | Low level of arterial O2; <80 mm Hg |
Hypoxia | Low level of O2 in tissue despite adequate perfusion |