Respiratory · UKMLA & AKT
Hypersensitivity pneumonitis
A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise hypersensitivity pneumonitis — the full SA Note notes add investigations, management, complications and 10 practice questions.
Key high-yield points
- Hypersensitivity pneumonitis (HP) / extrinsic allergic alveolitis - inflammatory lung disease caused by sensitised immune response to inhaled organic antigens. Upper and mid-zone distribution is the critical distinguishing feature from IPF (lower zone).
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