Nephrology Book

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PaO2

Aka: PaO2, pO2
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  1. See Also
    1. Arterial Blood Gas
    2. ABG Interpretation
    3. A-a Gradient
  2. Causes: Hypoxia or Hypoxemia (PaO2 <70 to 80 mmHg)
    1. See Hypoxemia
  3. Symptoms
    1. Dyspnea
  4. Signs
    1. Cyanosis
    2. Tachycardia
    3. Tachypnea
    4. Mental status changes
      1. Acute: Altered Level of Consciousness
      2. Chronic: Fatigue, drowsy, inattentive
    5. Oxygen Saturation (O2 Sat) decreased
      1. Usually correlates with PaO2
        1. However, relationship is not linear (See O2 Sat)
        2. Not sensitive for increased A-a Gradient
      2. Conditions where O2 Sat low despite normal PaO2
        1. Carbon Monoxide Poisoning
        2. Methemoglobinemia or other abnormal Hemoglobin
  5. Evaluation and Management
    1. See Dyspnea
    2. See Respiratory Failure

Partial Pressure of Oxygen Measurement (C0483414)

Concepts Laboratory Procedure (T059)
Italian PO2, Pressione parziale di O2
English PO2, PaO2, Partial Pressure O2, Partial Pressure of Oxygen Measurement, Partial pressure O2
Dutch partiële druk O2, pO2
French Pression partielle d'O2, pO2
German Partialdruck O2, PO2
Portuguese Pressão parcial de O2, pO2
Spanish Presión parcial de O2, PO2
Japanese 酸素分圧, ＰＯ２, PO2, ｻﾝｿﾌﾞﾝｱﾂ
Czech Parciální tlak O2, Parciální tlak kyslíku
Hungarian PO2, O2 parciális nyomása
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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