Interstitial lung disease Flashcards by K D | Brainscape

Q

Interstitial lung disease (ILD) def

A

Lung parenchyma diffusely affected

Chronic inflammation and progressive interstitial fibross

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Q

ILD sx

A

SOB on exertion

Non-productive cough

restrictive pulmonary spirometry

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Q

ILD causes

A

Environmental/occupation

GORD

Extrinsic allergic alveolitis

Associated with systemic illness

Idiopathic pulmonary fibrosis

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Q

Occupation/environmental causes of ILD

A

asbestosis

berylliosis

silicosis

cotton worker’s lung (byssinosis)

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Q

Systemic illnesses associated with ILD

A

sarcoid

rhuematic arthritis

SLE

UC

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Q

Extrinsic allergic alveolitis (EAA) def

A

hypersensitivy to certain allergens

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Q

EAA AKA

A

hypersensitivity pneumonitis

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Q

Causes of EAA

A

Bird-fancier’s lung

Farmer’s and mushroom worker’s lung

Malt worker’s lung

Bagassosis or sugar worker’s lung

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Q

EEA 4-6hr post exposure sx

A

Fever/ rigors

myalgia

dry cough

dyspnoea

crackles (no wheeze)

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Q

Chronic EAA sx

A

exertional dyspnoea

type I respiratory failure

cor pulmonale

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Q

CXR for EAA

A

Acute: Upper zone consolidation

Chronic: fibrosis, honeycombing

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Q

Acute EAA rx

A

Remove allergens

O2 35%-60%

Prednisolone

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Q

Chronic EAA rx

A

Avoid exposure to allergens

or wear a facemask or +ve pressure helmet

Long-term steroid

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Q

Idiopathich pulmonary fibrosis (IPF) def

A

a type of unknown cause interstitial pneumonia

commonest cause of interstitial lung disease

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Q

Sx of IPF

A

Dry cough

Exertional SOB

Wt loss

arthralgia

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Q

Complications of IPF

A

Resp failure

Risk of lung Ca

Q

CXR for IPF

A

Reduced lung volume

Bilateral lower zone reticulonodular shadows

Honeycomb lung (advanced disease)

Q

IPF rx

A

Supportive: O2, pulmonary rehab, opiates, palliation

Lung transplant

NOT steroids (unless in doubt of dx)