PFT

Card Set Information

Author:
Mat
ID:
98716
Filename:
PFT
Updated:
2011-08-29 08:50:14
Tags:
Pulm2
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Description:
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  1. FEV1/FVC < 70%
    Obstruction
  2. FVC < 80%
    Restriction
  3. FEV1/FVC < 70% and FVC normal, then no significant improvement after bronchodilator
    COPD
  4. FEV1/FVC < 70% and FVC normal, then FEV1 or FVC increased by 15% or FEF-25-75 increased by 30% after bronchodilator
    Asthma
  5. FEV1/FVC is < 70% and FVC < 80%, and TLC < 80% predicted?
    obstructive and restrictive disease
  6. FEV1/FVC is < 70% and FVC < 80%, and TLC > 120% predicted?
    hyperinflation
  7. FEV1/FVC is < 70% and FVC < 80%, and TLC normal with increased RV?
    air trapping, obstructive disease
  8. Obstructive with hyperinflation and decreased DLCO?
    emphysema
  9. Obstruction with hyperinflation and normal ( or sometimes increased ) DLCO
    asthma
  10. Obstruction with normal lung volumes and normal DLCO
    chronic bronchitis
  11. Restriction with low RV and decreased DLCO?
    scarring diseases (sarcoidosis, diffuse interstitial fibrosis, berryliosis, collagen vascular disease)
  12. Restriction with normal RV (or increased) and normal DLCO?
    • Neuromuscular diseases
    • kyphosis
    • scoliosis
  13. Isolated low DLCO?
    • anemia
    • Pulmonary vascular disease (PE)

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