Occupational lung diseases Flashcards
when taking a history for occupational lung disease what do you need to ask
every job since leaving school with start/stop dates exposures dose exposed to e.g every day? any other exposures respiratory protection?
what can cause occupational COPD
coal mining
hard rock mining
cadmium fume
organic dusts
what is the definition of occupational asthma
if as a result of exposure in the work place:
- it produces a biological change known as hypersensitive state in the airways
- triggers a subsequent reaction in those airways
what is reactive airways dysfunction syndrome
when there is no sensitization but there is direct irritation of the airways as a result of exposure
what is work aggravated asthma defined as
trigger of existing asthma when at work
name four causes of occupational asthma
flour
latex
gluteraldehyde
wood dusts
what pathogen usually causes farmers lung
thermophillic actinomycetes
what does the usual cause of farmers lung relate to
animals
chemicals
if a farmers lung is not treated what can develop
fibrosis
hypersensitivity pneumonitis present
acute onset of breathlessness
dry cough
malaise
chest tightness
what is Silicosis
inhalation of crystalline silicon dioxide results in immune system reaction which leads to inflammation and fibrosis
who is likely to get Silicosis
miners
quarrymen
stonemasons
granite city!
how common is silicosis
rare disease but usually fatal
what can happen to lung function in acute scoliosis
progressive restriction
reduced gas transfer
what are the 3 main types of asbestos
chrysotile-white
Amosite-brown
crocidolite-blue