Occ Obstructive lung disease Flashcards Preview

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Flashcards in Occ Obstructive lung disease Deck (22):
0

Airways (obstructive) lung diseases

Acute inflammation
Byssinosis
Occupational asthma
Hypersensitivity pneumonitis (HP)

1

Reactive airway dysfunction syndrome

An Irritant asthma

2

Risks of occ asthma

Agents - large molecular weight (>500 dalton)
1. Vegetable dust
2. Animal dust
3. Drugs

3

Vegetable dust that could cause asthma

Coffee beans
Cotton
Flax
Flour
Garlic
Grain
Hemp
Latex
Sunflower pollen
Tea
Wood dust

4

Animal "dust" that can cause asthma

Enzymes (animal & bacterial)
Cockroaches
Dust & grain mites
Eggs
Rodents
Shellfish

5

Drugs that can cause asthma

Cephalosporins
Cimetidine
INH
Methyl dopa
Penicillins

6

Small molecular weight agents that can cause asthma

Chemicals
Metals

7

Chemicals that can cause asthma

Acid anhydrides
Acrylates
Isocyanate
Epoxy resins
Enzymes

8

Metals that could cause asthma

Chromium
Cobalt
Nickel
Platinum
Vanadium

9

Diagnosis tests of asthma

Spirometer: obstructive
Methacholine challenge test: non-specific
Immunologic test (RAST, etc)

10

Hypersensitivity pneumonia
- "extrinsic allergic alveolitis" in UK

ABG - hypoxemia
PFT/Spirometer- Restrictive
Decreased DLCO = impaired gas exchange
CXR- patchy infiltrates or diffuse micro modular patterns
High-resolution CT: ground-glass opacifications

11

Humidifier lung
What Is the exposure ?

Thermophilic actinomycetes

12

Farmer's lung
What Is the exposure ?

Moldy hay or silage

13

Bagassosis
What Is the exposure ?

Moldy sugar cane

14

Suberisis
What Is the exposure ?

Moldy cork

15

Malt worker's lung
What Is the exposure ?

Aspergillosis

16

Chemical cause of Hypersensitivity pneumonitis disease, what exposure ?

Isocyanates
Acid anhydrides

17

Silo-filler's disease

Nitrogen dioxide

18

Popcorn worker's lung

- Bronchiolitis obliterans
- Exposure to Diacetyl
- butter flavoring in microwave popcorn

19

Hypersensitivity pneumonitis is caused by exposure to?

Organic dust

20

Rounded opacities in the upper lung fields

Silicosis

21

Linear irregular opacities in the lower lung fields

Asbestosis