Step Up to Med - Pulmonary Flashcards
(293 cards)
two types of chronic obstructive pulmonary disease
chronic bronchitis
emphysema
clinical diagnosis of chronic bronchitis
chronic cough productive of sputum for at least 3 months per year for at least 2 consecutive years
permanent enlargement of air spaces distal to the terminal bronchioles due to destruction of alveolar walls
emphysema
fourth leading cause of death in the US
COPD
two main risk factors for emphysema
tobacco smoke
alpha 1 antitrypsin deficiency
excess mucus production narrowing the airways with productive cough inflammation and scarring occurs with enlargement in mucous glands and smooth muscle hyperplasia leading to obstruction
chronic bronchitis
destruction of alveolar walls due to relative excess in proteases or relative deficiency of antiproteases in the lungs
emphysema
tobacco smoke and
number of activated PMNs and macrophages
alpha 1 antitrypsin
oxidative stress
increase
decrease
increase
definitive diagnostic test in COPD
pulmonary function testing (spirometry)
what are the critical spirometry findings in COPD
decrease FEV1/FVC ratio
increase TLC residual volume and FRC
GOLD staging is based on
FEV1
GOLD staging and FEV1
> 80% pred - mild
50-80 mod
30-50 sev
<30 very sev
CXR changes in COPD
hyperinflation
flattened diaphragm
enlarged retrosternal space
in what conditions is CXR useful in COPD
during acute exacerbation to R/O pulmonary causes such as PNA or PTX`
should be measured in patients with a personal or family historyt of premature emphysema less that 50 y.o
alpha 1 antitrypsin
the most important intervention for COPD’ers
smoking cessation
what is the effect of quitting smoking on the rate of decling of FEV1
decreases the RATE of decline to that of a normal person but WILL NOT reverse it
what are the three medications commonly employed in the treatment for COPD
ipratropium bromide
albuterol
corticosteroids
dhown to improve survival and QOL in patients with COPD AND chronic hypoxemia
oxygen therapy
requirements for home O2 (2)
PaO2 <55mHg on ABG
OR
O2 sat <88%
what two vaccinations are necessary for COPD’er
strep pneumo every 5-6 years, patients with severe disease before 65
anually get the flu vaccination
.increased dyspnea spuitum production and or cough in a patient with known COPD
acute exacerbation
where is the o2 saturation goal for a chronic COPD patient
90-93#
what type of steroids should be used for an acute COPD exacerbation
IV methylprednisone with prednisone taper once clinical improved