CASE STUDY:
64-Year-Old White Male With 2 Years of Worsening Exercise Capacity

CLINICAL INFORMATION

Laboratory Results

  • Normal CBC + chemistries
  • Negative for eosinophilia, normal sedimentation rate
  • Negative connective tissue disease serologies

Pulmonary Function Tests (PFTs)

TLC: 3.66 L (64%)
FVC: 2.90 L (65%)
FEV1: 2.32 L (77%)
FEV1 to FVC ratio: 80%
Diffusing capacity DLco: 14.52 ml/min/mm Hg (70%)