Respiratory - Genetic and Autoimmune Flashcards
how is alpha 1 antitrypsin deficiency inherited?
autosomal codominant
features of A1AT?
cough
SOB
wheeze
emphysema
hepatitis
cholestasis
jaundice
cirrhosis
what does A1AT do?
glycoprotein made by the liver
controls inflammatory cascades
treatment for A1AT?
smoking cessation alcohol avoidance COPD treatment (as emphysema)
what occurs in sarcoidosis?
lymphocytes and macrophages accumulate and form non caseating granulomas
features of sarcoidosis?
cough SOB fatigue athralgia lymphadenopathy red eye erythema nodosum
investigations for sarcoidosis?
CXR (pulmonary fibrosis) CT (ground glass) FBC (increased ESR) serum ace (high) Ca (high) ECG
treatment of sarcoidosis?
steroids if organs affected
paracetamol
AZA/MTX
monitor CXR
how is CF inherited?
autosomal recessive
pathology of CF?
abnormal salt transport due to CFTR abnormalities
thick secretions
exocrine ducts blocked
features of CF?
wet cough
infections
absent vas def
malabsorption