What is the role of pulmonary exercise testing in the diagnosis of eosinophilic granuloma (histiocytosis X)?

Updated: Mar 29, 2018
  • Author: Eleanor M Summerhill, MD, FACP, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

Pulmonary exercise testing may demonstrate decreased exercise capacity with reduced oxygen utilization. Gas exchange, ventilatory, and pulmonary vascular abnormalities may also be present. Therefore, exercise limitation is generally multifactorial.


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