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Respiratory > 3: Occupational Lung Disease > Flashcards

3: Occupational Lung Disease Flashcards

1
Q

what causes coal workers pneumoconiosis

A

exposure to coal dust (Mines)

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2
Q

how may coal workers pneumoconiosis present

A

chronic bronchitis

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3
Q

define chronic bronchitis

A

chronic cough present on most days for 3-months over 2-consecutive years

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4
Q

how will coal workers pneumoconiosis present on CXR

A

fibrosis upper lobe

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5
Q

how is CWP managed

A
  • Avoid coal dust
  • Treat chronic bronchitis
  • Claim money via uk industrial injuries act
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6
Q

what can CWP progress to

A

progressive massive fibrosis

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7
Q

what does progressive massive fibrosis cause

A

dyspnoea - eventually leads to cor pulmonate

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8
Q

what causes sillicosis

A

inhalation of silica particles

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9
Q

what is asbestosis

A

inhalation asbestos leading to lung fibrosis

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10
Q

what is latency period between exposure and symptom onset

A

15-20 years

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11
Q

what are symptoms of asbestosis

A

exertional dyspneoa

chronic cough

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12
Q

what nail sign may be seen in asbestosis

A

clubbing

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13
Q

what is auscultated in asbestosis

A

fine end-inspiratory crackles

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14
Q

where is fibrosis seen in asbestosis on CXR

A

lower lobes

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15
Q

what stain is used to identify asbestos bodies from bronchoalveolar lavage

A

purssian blue

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16
Q

what does asbestos exposure increase risk of

A

adenocarcinoma

mesothelioma

17
Q

what is mesothelioma

A

tumour of mesothelial cells of the pleura

18
Q

in which gender is mesothelioma more common

A

male

19
Q

in which age is mesothelioma more common

A

40-70 year-olds

20
Q

what cause mesothelioma

A

Asbestos exposure

21
Q

what is the time frame between exposure and mesothelioma

A

35-45 years following asbestos exposure

2-years following intense asbestos exposure

22
Q

what are symptoms of mesothelioma

A

Dyspnoea
Chest-pain
Fever, weight loss
Lethargy

23
Q

what is seen on CXR is mesothelioma

A

pleural thickening

24
Q

how is mesothelioma managed

A

chemotherapy

pleurodesis and drain

25
Q

what is prognosis of mesothelioma

A

2-years

26
Q

what is the most common lung injury related to asbestos

A

pleural plaques

27
Q

are pleural plaques benign or malignant

A

benign

28
Q

explain relationship between asbestos exposure and asbestosis

A

greater exposure - higher risk of asbestosis

29
Q

explain relationship between asbestos exposure and mesothelioma

A

any exposure increases risk of asbestosis

30
Q

how can mesothelioma present

A

recurrent pulmonary effusions

Bloody pleural effusion

31
Q

what bronchial carcinoma does asbestos increase risk of

A

small cell lung cancer

Respiratory (19 decks)

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