In a patient with the CT scan below, which lung parameters would be normal?
Respiratory
Yes
U
C
This CT scan shows interstitial pneumonia, which is a restrictive lung disease. In restrictive disease, FEV1/FVC and FEF 25%-75% would be normal, while other parameters, including FRC and TLC are decreased.
reference: Barash PG, Cullen BF, Stoelting RK. Handbook of Clinical Anesthesia. 7th ed. Philadelphia, PA: Lippincott Williams & Wilkins;2013:123
Case courtesy of Dr David Cuete, Radiopaedia.org, rID: 27858
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