Respiratory Alkalosis: Arterial Blood pH Increased with Decreased Arterial pCO 2 and Decreased Arterial H2CO3-

Differential Diagnosis

Hyperventilation in response to hypoxemia from a variety of causes

Hyperventilation without hypoxemia as a stimulus, as in anxiety and CNS disorders that increase the respiratory rate

Suggested Additional Lab Testing

Follow arterial pH, pco2, and h2co3 as the disorder worsens or resolves.

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