Obstructive Disease Flashcards
What is the presentation of asthma?
Episodic wheezing, SOB, chest tightness, and cough
Affects medium sized bronchi
Reversible obstruction
What is the presentation of chronic bronchitis?
Productive cough for 3 months per year for 2 years
Irreversible SM hypertrophy and mucus hypersecretion (resistance)
What is the presentation of emphysema?
Irreversible air space enlargement by wall destruction
Cigarettes cause centriacinar of portions of respiratory bronchiole
Alpha-1-antitrypsin causes paracinar of entire respiratory bronchiole.
What is the presentation of bronchiectasis?
Irreversible dilation of medium bronchi by SM and elastin destruction
Cough with foul smelling sputum
Inflammation decreases mucus clearence
What is the presentation of cystic fibrosis?
Recurrent infections, failure to thrive and bowel obstruction
CFTR mutation impairs chloride transport and leads to excess mucus and infections
What is the presentation of bronchiolitis?
Viral illness that progresses to fever, cough, and dyspnea
In adults bronchiolitis obliterans in more common (non-infectious) from toxins of rheum disease
Results in long-term obstruction
What medications are used to immediately relieve asthma symptoms?
Beta-adrenergic agonists, anticholinergics, systemic glucocorticoids
What medications are used to control asthma?
Inhaled glucocorticoids, Long acting beta-adrenergic agonists, immunomoduators, cromolyn, theophylline,
Who is the typical COPD patient?
Mid-life onset, slowly progressive symptoms, long smoking history
Who is the typical asthma patient?
Childhood onset, variable/episodic symptoms, worse at night/morning, allergies or eczema, family history