24. Chronic Respiratory Failure Flashcards
define chronic bronchitis?
cause?
productive cough >3 months in 2 consecutive years
mucous gland hypertrophy
define emphysema?
enlargement of air sacs and terminal bronchioles
gold standard for diagnosing COPD?
hw will oxygen saturation be?
PO2 = low sat = normal
most frequent cause of acute exacerbation of COPD or asthma?
URI
tx for minor exacerbation?
major?
minor - bronchodilators and oral steroids
major - hospital - IV steroids and breathing tx
wt causes acidemia in COPD?
tx?
impaired ventilation
mechanical ventilation
wt does increased PCO2 in asthmatics indicate?
respiratory muscle failure
most common sign of COPD exacerbation?
acute dyspnea
wt is chronic steroid use a risk factor for?
osteoporosis
wt vaccines should be given to pts with COPD?
influenza and pneumococcal
when should alpha 1 antitripsin deficiency be suspected?
early onset emphysema
cirrhosis of liver
familial history
wt med causes angioedema?
ACEIs
if SIRS is expected in acute respiatory failure what should be done?
order culture
