Pneumonia

Question 1

causative organisms for CAP

Answer 1

Strept pneumoniae
Haemophilus influenzae
Legionella, Chlamydia pneumoniae, Mycoplasma pneumoniae

Question 2

What is Health Care-Associated Pneumonia (HCAP)

Answer 2

occurring < 48 hours of admission in patients with recent close contact with health care system

Question 3

What is Hospital Acquired Pneumonia

Answer 3

occurring > 48 hours of admission (NOT incubating at time
of admission)

Question 4

Risk factors for multidrug-resistant (MDR) pathogens

Answer 4

• Antibiotics within 90 days
• Current hospitalization ≥ 5 days (Late-onset pneumonia)
• High frequency of antibiotic resistance in the community or in the specific hospital unit
• Immunosuppressive disease and/or therapy
• Risk factors for HCAP

Question 5

Risk factors for HCAP

Answer 5

• Hospital stay ≥ 2 days within 90 days
• Nursing home or extended care facility resident
• Home infusion therapy
• Chronic dialysis within 30 days
• Home wound care
• Family with multidrug-resistant (MDR) pathogen

Question 6

Patients with NO risk factors for MDR pathogens

“Early Onset” (organisms)

Answer 6

o	S. pneumoniae 
o	H. influenzae 
o	MSSA
o	E. coli
o	K. pneumoniae 
o	Proteus

Question 7

Patients with risk factors for MDR pathogens

“Late Onset” (organisms)

Answer 7

o	See left column PLUS
o	ESBL producing K. pneumoniae 
o	P. aeruginosa 
o	Acinetobacter 
o	MRSA
o	Legionella