Week 2 Bronchitis

Question 1

Most Bronchitis cases (90%) are viral. What are the most common organisms?

Answer 1

Influenza A
Influenza B
Coronavirus 
Rhinovirus 
RSV
Parainfluenza
Adenovirus

Question 2

10% of Bronchitis cases are bacterial. What are the common organisms?

Answer 2

B. pertussis
C. pneumoniae
M. pneumoniae

Question 3

What are first-line treatments for bronchitis?

Answer 3

Supportive mgmt: increase fluids, bedrest until fever subsides
Antitussives
Bronchodilators
Analgesics/ antipyretics

Question 4

When Bronchitis is bacterial, what drug class is effective?

Answer 4

Macrolide

Question 5

How does bacterial bronchitis differentiate from viral bronchitis?

Answer 5

Cough lasts 6-8 weeks, fever >=102.3 with productive cough beyond 4-6 days, has COPD

Question 6

What are the s/s of bronchitis?

Answer 6

Harsh, minimally-productive cough, sputum color not indicative of infection, wheezing, fever < 102.2F

Question 7

What are the most common pathogens and antibiotics for secondary bacterial bronchitis to underlying viral bronchitis?

Answer 7

H. influenzae - amoxicillin
M. catarrhalis - augmentin
M. pneumoniae - macrolides or doxycycline, quinolones only if resistant to others