ILD Associated with Hypersensitivity

Question	Answer
Other name for hypersensitivity pneumonitis	Extrinsic allergic alveolitis
Hallmark serum finding of hypersensitivity pneumonitis	IgG and IgA to the inhaled antigen (but many may have these without developing disease)
Acute vs. chronic hypersensitivity pneumonitis	Acute - flu-like (fever, chills, cough, dyspnea); CXR with pulmonary infiltrates Chronic - more insidious; harder to diagnose
Treatment of hypersensitivity pneumonitis	Removal of offending agent Sometimes glucocorticoids
2 features of eosinophilic pneumonia	Fever Peripheral eosinophilia
CXR findings of eosinophilic pneumonia	Peripheral pulmonary infiltrates
Treatment for eosinophilic pneumonia	Glucocorticoids (very effective, but relapses may occur)
5 types of hypersensitivity pneumonitis	- Farmer's lung (moldy hay) - Bird-breeder's lung (bird droppings) - Air conditioner lung - Bagassosis (moldy sugar cane) - Mushroom worker's lung (compost)
3 types of hypersensitivity pneumonitis are caused by spores of the same type of organism. What are the 3 types, and what is the organism?	Air-conditioner lung Bagassosis Mushroom worker's lung Thermophilic actinomycetes

Resource summary

	Created by Aaron Samide about 8 years ago