A plateau of inspiratory limb of flow-volume curve during spirometry is suggestive of:
A. Chronic obstructive pulmonary disease
B. Extrathoracic large-airway obstruction
C. Pulmonary fibrosis
D. Interstitial lung disease
Answer:B
A plateau of inspiratory limb of flow-volume curve during spirometry is suggestive of:
A. Chronic obstructive pulmonary disease B. Extrathoracic large-airway obstruction C. Pulmonary fibrosis D. Interstitial lung disease