Extrinsic Allergic Alveolitis Flashcards
1
Q
what else is it known as?
A
hypersensitivity pneumonitis
2
Q
what is it caused by?
A
hypersensitivity induced lung damage due to a variety of inhaled organic particles. caused by immune-complex mediated tissue damage.
3
Q
what is bird fanciers’ lung caused by?
A
avian proteins
4
Q
what is farmers lung caused by?
A
spores of saccharopolyspora rectivirgula
5
Q
what is malt workers lung known as?
A
aspergillus clavatus
6
Q
what is mushroom workers lung caused by?
A
thermophilic actinomycetes
7
Q
how does it present?
A
acute - occurs after 4-8 hours after exposure, SOB, dry cough and fever
chronic
8
Q
what investigations can be done and what would be the results?
A
chest x ray - upper/mid zone fibrosis
bronchoalveolar lavage - lymphocytosis
blood - no eosinophilia
