Fouty: other obstructive lung diseases Flashcards
(40 cards)
irreversible dilation of acinus
emphysema
irreversible dilation of bronchial tree (larger bronchi)
bronchiectasis
abnormal dilation of proximal bronchi
bronchiectasis
loss of cilia
increased mucus
bronchiectasis
triad:
chronic cough
excessive sputum production
recurrent infections
bronchiectasis
how to diagnose bronchiectasis
CT scan
secretion pooling
bronchiectasis (cystic)
tram-tracking bronchial dilation
bronchiectasis (cylindrical)
infection
foreign body
immunologic deficiencies
cystic fibrosis
congenital deficiencies
causes of bronchiectasis
lack of cartilage leads to floppy airway; leads to pooling of secretions
congenital deficiency leading to bronchiectasis
most common cause of bronchiectasis
infection (idiopathic)
examples of diffuse bronchiectasis (impaired mucous clearing)
CF
Kartagener’s
immunologic deficiency
proximal/upper lobes bronchiectasis examples
TB
aspergillosis infection
focal/lower lobes bronchiectasis examples
viral/bacterial
foreign body
bronchiectasis in LLL
2 most common infectious causes of bronchiectasis
Pseudomonas aeruginosa
haemophilus influenzae
large dilated airways will cause collapse and trapped mucus when coughing (due to + pleural pressure)
bronchiectasis
Destruction of _____ in Proximal Bronchi Can Cause Truncated Expiratory Loop On Flow Volume Curve
cartilage
FEV1 <_____% Can Trigger A Transplant Evaluation In Patients With Cystic Fibrosis
<40%
mucuous clearance
Ab’s for infections
bronchodilators
steroids
Rx bronchiectasis
affects small bronchioles proximal to acinus
bronchiolitis obliterans
Mucus buildup in bronchioles will cause obstruction and impact alveolus
bronchiolitis obliterans
inflammation of bronchioles
proliferation narrows bronchioles and causes lumen narrowing and trapped gas
bronchiolitis obliterans
main cause of bronchiolitis obliterans in kids
respiratory infection