Please enable JavaScript.
Coggle requires JavaScript to display documents.
Hypersensitivity pneumonitis vs Pneumoconiosis (Hypersensitivity…
Hypersensitivity pneumonitis vs Pneumoconiosis
Hypersensitivity pneumonitis
AKA Exogenous allergic alveolitis (EAA)
Inflammation of alveoli
Causes
Cheese mold
Moldy malt
Pigeons, parakeets (also poultry workers)
Moldy sugar cane
Moldy grain
Moldy hay
Diffuse inflammation of lung parenchyma and airways in response to inhalation of antigens to which a person has been previous been sensitized
Antigens: microorganisms, commonly molds, or animal proteins
Pathology:
Granulomas
Chronic - granulomatous lesions; fibrosis
Chest x-ray:
micronodular interstitial
Chronic - reticular nodular infiltration and fibrosis
Diagnosis of HP
Work hx (hobbies, etc.)
Solution: DON'T BE EXPOSED TO ANTIGENS!
Symptoms:
Dyspnea
Malaise
Cough
Chronic symptoms:
Progressive dyspnea
Clubbing
Cyanosis
Pneumoconiosis
Form of pulmonary fibrosis (thickening and scarring of tissues)
Inflammation and fibrosis in the lungs
Causes
inhalation of dust particles which are retained in lungs
Silica, coal, asbestos