Clinical 5 - Obstructive Pulmonary Diseases Flashcards
What are the characteristics of emphysema?
Enlargement of air spaces
Destruction of alveolar walls
Weight loss
What chromosome is a1AT on?
Chromosome 14
What is the genetic inheritance of a1AT?
AR
What is the phenotype of a1AT?
PiZZ
What is a1AT?
Secretory glycoprotein
Inhibits proteolytic enzymes
How do you treat a1AT?
Replacement therapy
What are the treatment options for COPD?
Bronchodilators
Proper inhalation technique
What are the hallmarks of asthma?
Mucus gland hypertrophy Mucus hypersecretion Epithelial desquamation Widening of basement membrane Eosinophilic infiltration
What GI condition may exacerbate asthma?
GERD
What is the diagnostic features of allergic bronchopulmonary aspergillosis?
Develops in patients with asthma and/or CF
Increased IgE
Radiographic infiltrates
Peripheral blood eosinophilia
What is the treatment for allergic bronchopulmonary aspergillosis?
Corticosteroids
What is obstructive sleep apnea?
Periodic cessation of air-flow (>10 sec) during sleep due to obstruction of upper airway
What are the three characteristics of patients with sleep apnea?
Obese
Known to snore
Complain of daytime sleepiness
What is the treatment for sleep apnea?
Continuous positive airway pressure
Bilevel positive airway pressure
Tracheostomy in severe cases
What does the PFT show in diffuse lung disease?
Restrictive change with various degrees of gas exchange abnormalities and hypoxemia