Pneumonia Bugs

Question 1

What’s the most common cause of CAP; usually seen in middle aged adults and elderly

Answer 1

Strep. pneumoniae

Question 2

Cause of lobar pneumonia. It affects malnourished and debilitated individuals, especially elderly in nursing homes, alcoholics, and diabetics. Thick mucoid capsule results in currant jelly sputum; often complicated by abcess

Answer 2

Klebsiella pneumonia

Question 3

Most common cause of secondary pneumonia; often complicated by abscess or empyema

Answer 3

Staph aureus

Question 4

Common cause of secondary pneumonia superimposed on COPD

Answer 4

H. influenzae

Question 5

Pneumonia in cystic fibrosis patients. It’s also the most common cause of nosocomial pneumonia (transmitted commonly via aspirators); often associated with infarction due to vessel wall invasion

Answer 5

Pseudomonas aeruginosa

Question 6

CAP and pneumonia superimposed on COPD

Answer 6

Moraxella cattarhalis

Question 7

CAP, pneumonia imposed on COPD, or ICP; transmitted from water source and seen with silver stain

Answer 7

Legionella pneumophilia

Question 8

Most common cause of atypical pneumonia. Affects young adults and military recruits

Answer 8

Mycoplasma pneumoniae

Question 9

Second most common cause of atypical pneumonia in young adults

Answer 9

Chlamydia pneumoniae

Question 10

Most common cause of atypical pneumonia in infants

Answer 10

RSV

Question 11

Atypical pneumonia with post transplant patients

Answer 11

CMV

Question 12

Atypical pneumonia in elderly, ICPs, or those with pre existing lung disease. Also risk for secondary pneumonia

Answer 12

Flu

Question 13

Atypical pneumonia with high fever

Answer 13

Coxiella burnetii