Obstructive Pulmonary Disease Flashcards
What are the two main causes for obstructive pulmonary disease?
inhalation factors (cigarette smoke), genetics (deficiency that leads to early onset emphysema)
What are characteristics of obstructive pulmonary disease?
lung hyperinflation (elevation of shoulder girdle, horizontal ribs), barrel-shaped thorax, low and flattened diaphragm
Obstructive diseases have ___ and ___ emptying of the lungs during ___
delayed, incomplete, exhalation
A normal FEV1/FVC is > _____%
75
Those with obstructive disease show ____ than normal total lung capacities and residual volumes
larger (due to air trapping and hyperinflation)
What are the 5 specific obstructive lung conditions?
chronic bronchitis, emphysema, asthma, cystic fibrosis, bronchiectasis
Which obstructive disease is due to a permanent enlargement of the bronchioles and destructive changes in the alveoli?
emphysema
Which obstructive disease is diagnosed on symptoms and is based on having a chronic or productive cough on most days for minimum of 3mo/yr for more than 2 consecutive years?
chronic bronchitis
auscultation of the lungs in copd will show a prolonged _____ phase
expiratory (greater than 4 sec is indicative of significant obstruction)
You have a pt come in with clubbed fingers, cyanosis and you notice their breath sounds are diminished during auscultation, what do you think they might have?
COPD
Which tests are considered the gold standard for diagnosing COPD and monitoring its progress?
pulmonary function tests
What will be different in a pt with asthma vs COPD after they are given a bronchodilator before doing spirometry?
test measurement will return to normal (test will improve as it was abnormal on the first try without the bronchodilator) but COPD the measurement will only partially improve (if it improves at all)
What index is used to predict survival in COPD and what are its components?
BODE- body mass, obstruction, dyspnea, exercise
end stage COPD results in ______
cor pulmonale
What are characteristics of cystic fibrosis?
pancreatic insufficiency, persistent cough, malabsorption of nutrients in intestinal tract, recurrent lung infiltrates