Emphysema

• Facts:
  Centriacinar emphysema
• History / PE:
  Dyspnea
  Pursed lips
  Minimal cough
  Thin, wasted appearance
• Diagnosis:
  Decreased FEV1/FVC ratio
  Decreased DLCO (alveolar destruction)
• See Also:
  Chronic Bronchitis
• Associated With:
  COPD
• Differential Diagnosis:
  Alpha-1-antitrypsin deficiency (panacinar emphysema)