Lung Diseases: Chronic Bronchitis

Question 1

Define chronic bronchitis

Answer 1

productive cough lasting at least 3 months out of the year for 2 consecutive years

Question 2

patho of chronic bronchitis

Answer 2

inflammation and scarring on bronchial lining that can obstruct flow and increase mucus production

Question 3

more pathophys

Answer 3

overproduction of mucus via goblet cells. more diffusion, smooth muscles hypertrophy, impaired ciliary function, decreased elimination of mucus obstructs airways

Question 4

causes of chronic bronchitis

Answer 4

• cigarette smoke
• acute/chronic viral infections
• bacterial infection
• air pollution
• can have acute exacerbations

Question 5

compications of CB

Answer 5

infections, respiratory acidosis, hypoxia, polycythemia, cor pulmonale

Question 6

how does CB affect breathing?

Answer 6

• overproduction of mucus
• airways swell
• alveoli damaged, hard to exchange O2 and CO2
• decreased O2 and increased CO2 increases RR
• SOB
• wet, productive cough

Question 7

clinical presentation of CB

Answer 7

• cough worse in morning and late evening
• barrel chest
• SOB
• decreased chest expansion
• prolonged expiration
• infections
• cyanosis
• blue lips

Question 8

breath sounds heard with CB

Answer 8

• absence of sounds
• decreased sound as disease progresses
• wheezing or crackles possibly

Question 9

PT for CB

Answer 9

• meds not effective, advair is only med approvd for COPD

- chest PT, education, coughing, vibratory positive expiratory pressure, percussion, postural drainage, exercise, yoga