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RT 335 Interstitial Lung Diseases Chapter 27 Exam
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RT 335 Interstitial Lung Diseases Chapter 27 Exam...
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RT 335 Interstitial Lung Diseases Chapter 27 ExamInterstitial Lung Disease (ILD) refers to a
Broad group of inflammatory lung disorders
How many known IDL are there?
180
ILD are characterized by
Acute
subacute
chronic inflammatory infiltration of alveolar walls by cells
Fluid
Connective tissue
If ILD is left untreated, the inflammatory process can progress to what?
irreversible pulmonary fibrosis
(Note: scar tissue of lungs, lungs can't expand even on vent)
Anatomic Alterations of the Lungs (changes)
- Destruction of the alveoli and adjacent pulmonary capillaries
- fibrotic thickening of the respiratory bronchioles, alveolar ducts, and alveoli
- Granulomas
- Honeycombing and cavity formation
- fibrocalcific pleural plaques (asbestosis)
- Bronchospams
,- excessive bronchial secretion (caused by inflammation of airways ↑ in WBC )
IDL are grouped according to their?
- Occupational or environmental exposure
- disease associations
- specific pathology
Inorganic
not consisting of or deriving from living matter.
Organic
of, relating to, or derived from living matter
Inorganic exposures
- Asbestosis
- coal dust
- silica
- beryllium
- aluminum
- barium
- Clay
- iron
- certain talas
Organic Exposures causing ILD
- Hypersensitivity pneumonitis
- moldy hay
, - silage
- moldy sugar cane
- mushroom compost
- barley
- cheese
- wood pulp, bark, dust
- cork dust
- bird droppings
- paints
Occupation/environmental ILDs: Medication and illicit drugs
• Medication and illicit drugs (Note: all can cause other health problems)
-Antibiotics
- Anti inflammatory agents
- cardiovascular agents
- chemotherapeutic agents
- drug-induced systemic lupus erythematosus
- Illicit drugs
• radiation therapy
• irritant gases
Systemic Diseases
• Connective tissue diseases
- scleroderma
- rheumatoid arthritis
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