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by: Mohammed H. Abdulsamad
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Restrictive Lung Disease
By: Mohammed H. Abdulsamad
RLD means decreased compliance:
*Intrinsic Lung Diseases
*Extrinsic disorders
Intrinsic Lung Diseases (of the lung parenchyma):
*Pneumonia*Fibrosis*Edema
Pneumonia:
BacterialViralFungiParasites
Fibrosis:
Edema:
Extrinsic disorders (extra-parenchymal diseases):
*Kyphoscoliosis*Ankylosing Spondylitis*Muscular Dystrophy
Kyphoscoliosis:
Ankylosing Spondylitis:
Muscular Dystrophy:
Restrictive Lung Disease
Characterized by diminished lung volume due to:
• change in alteration in lung parenchyma (interstitial lung disease) • disease of pleura, chest wall (e.g. scoliosis), or neuromuscular
apparatus (e.g. muscular dystrophy)
Decreased TLC, FVC
Normal or increased: FEV1/FVC ratio
volume
fibrosis
normal Restrictive
kyphoscoliosis
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