Fast Five Quiz: How Much Do You Know About COPD?

Amanda M. K. Godfrey, MD 


June 29, 2016

ABG analysis provides the best clues as to acuteness and severity of disease exacerbation.

Patients with mild COPD have mild-to-moderate hypoxemia without hypercapnia. As the disease progresses, hypoxemia worsens, and hypercapnia may develop, with the latter commonly being observed as the FEV1 falls below 1 L/s or 30% of the predicted value. Lung mechanics and gas exchange worsen during acute exacerbations.

For more on the workup of COPD, read here.


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