Assessment

Test

Abnormality with Normal Result Condition

Explanation

Chest x-ray Clear lung fields Identification of interstitial infiltrates or ground glass pattern

Fibrotic areas have a changed appearance

Diagnostic Highlights (continued)

Test

Normal Result

Abnormality with Condition

Explanation

Forced expiratory flow (FEF): Maximal flow rate attained during the middle (25%-75%) of FVC maneuver

Varies by body size

25% of the predicted value

Predicts obstruction of smaller airways

Residual volume (RV): Volume of air remaining in lungs at end of a maximal expiration

0 0

Post a comment