Which lab tests are helpful in the management of chronic obstructive pulmonary disease (COPD)?

Updated: Nov 13, 2020
  • Author: Paul Kleinschmidt, MD; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Answer

These patients tend to retain sodium. Diuretics, beta-adrenergic agonists, and theophylline act to lower potassium levels; thus, serum potassium should be monitored carefully. Beta-adrenergic agonists also increase renal excretion of serum calcium and magnesium, which may be important in the presence of hypokalemia.


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