Fibrotic Lung Disease

Question 1

Bird fancier’s lung

Answer 1

Hypersensitivity pneumonitis (exposure to avian antigens in droppings/feathers = inflammation & granuloma formulation)

• SOB, fever, dry cough, chest pain, anorexia, WL, fatigue
• progressive pulmonary fibrosis

Question 2

How does idiopathic pulmonary fibrosis (IPF) present on spirometry?

Answer 2

Restrictive lung disease:
. FEV1:FVC >70%
. Reduced TLCO