Occupational lung disease Oct 19 M3

Question 1

elements of occupational history

Answer 1

what job, direct or indirect exposure, know someone ill?

Question 2

pneumoconiosis def

Answer 2

disease of the lung caused by inhalation of inorganic dust

Question 3

diagnosis of pneumoconiosis

Answer 3

history of exposure, abnormal radiology, no other explanation

Question 4

asbestosis def

Answer 4

lung disease from inhalation of asbestos particles (severe fibrosis + risk of mesothelioma, cancer of the pleura)

Question 5

workers at risk of asbestosis

Answer 5

plumbers, construction, ship building yards, demolition

Question 6

asbestosis on phys exam

Answer 6

crackles on auscultation, clubbing of the fingers

Question 7

asbestosis CXR

Answer 7

white lines

Question 8

pleural changes in people exposed to asbestos

Answer 8

white plaques over the ribs (Ca accum)

Question 9

pleural white plaque consequence

Answer 9

none, just shows exposure to asbestos

Question 10

diffuse pleural thickening

Answer 10

patients with asbestos: white tissue density thickens along chest wall, compromises lung function

Question 11

mesothelioma def

Answer 11

cancer of the pleura

Question 12

mesothelioma signs and symptoms

Answer 12

pleural effusion, chest pain, shortness of breath

Question 13

asbestosis affects what lung regions

Answer 13

bottom regions

Question 14

silicosis def

Answer 14

spectrum of lung diseases caused by inhalation of free crystalline silica (silicon dioxide)

Question 15

workers at risk of silicosis

Answer 15

mining, sand blasting, tunnelling

Question 16

silicosis on CXR

Answer 16

small nodules (upper and middle lung zones)

Question 17

main complications of silicosis

Answer 17

lung cancer (silica is class 1 carcinogen)

Question 18

other complications of silicosis

Answer 18

TB, fibrosis, autoimmune disease, COPD

Question 19

COPD: occupational exposures account for how much

Answer 19

15-40% of the risk

Question 20

factor that amplifies risk of COPD a lot if already exposed to something

Answer 20

smoking

Question 21

work-exacerbated asthma

Answer 21

preexisting asthma worsening at workplace

Question 22

occupational asthma

Answer 22

asthma attributable to something only found at the workplace

Question 23

people at risk of occupational asthma

Answer 23

bakers, farmers, animal workers, health care workers, hairdressers