Asbestosis Flashcards
Define Asbestosis?
Long-term inflammation and scarring of the lungs caused by inhalation of asbestos fibres
What are the three types of Asbestos?
Chrysotile (white absestos) is the least fibrogenic
Crocidolite (blue asbestos) is the most fibrogenic
Amosite (brown aspestos) has intermediate fibrogenicity
How does asbestos correlate to fibrosis?
Degree of asbestos exposure is related to degree of pulmonary fibrosis
What is the epidemiology of Asbestosis?
Asbestos exposure is documented in 90% of cases
What are the presenting symptoms of Asbestosis?
Progressive dyspnoea
What are the signs of Asbestosis?
Clubbing
Fine end-inspiratory crackles
What investigations do you do for Asbestosis?
History and exam
CXR: reticular-nodular shadowing +/- pleural plaques