Common causes of pneumonia (Pg. 175) - C

Question 1

CC of pneumonia in:

CC of pneumonia in: Neonates (< 4wks)

Answer 1

• Group B streptococci

- E coli

Question 2

CC of pneumonia in:

CC of pneumonia in: Children (4 wk–18 yr)

Answer 2

• Viruses (RSV)
• Mycoplasma
• C trachomatis (infants–3 yr)
• C pneumoniae (school-aged children)
• S pneumoniae

“Runts May Cough Chunky Sputum”

Question 3

CC of pneumonia in:

CC of pneumonia in: Adults (18-40 yrs)

Answer 3

• Mycoplasma
• C pneumoniae
• S pneumoniae
• Viruses (eg, in uenza)

Question 4

CC of pneumonia in:

CC of pneumonia in: Adults (40-65 yrs)

Answer 4

• S pneumoniae
• H influenzae
• Anaerobes
• Viruses
• Mycoplasma

Question 5

CC of pneumonia in:

CC of pneumonia in: Elderly

Answer 5

• S pneumoniae
• Influenza virus
• Anaerobes
• H influenzae
• Gram ⊝ rods

Question 6

CC of pneumonia in:

CC of pneumonia in: Alcoholic

Answer 6

• Klebsiella

- Anaerobes usually due to aspiration (eg, Peptostreptococcus, Fusobacterium, Prevotella, Bacteroides)

Question 7

CC of pneumonia in:

CC of pneumonia in: IV Drug users

Answer 7

• S pneumoniae

- S aureus

Question 8

CC of pneumonia in:

CC of pneumonia in: Aspiration

Answer 8

• Anaerobes

Question 9

CC of pneumonia in:

CC of pneumonia in: Atypical

Answer 9

• Mycoplasma
• Legionella
• Chlamydia

Question 10

CC of pneumonia in:

CC of pneumonia in: Cystic Fibrosis

Answer 10

• Pseudomonas
• S aureus
• S pneumoniae
• Burkholderia cepacia

Question 11

CC of pneumonia in:

CC of pneumonia in: Immunocomprimised

Answer 11

• S aureus
• enteric gram ⊝ rods
• fungi
• viruses
• P jirovecii (with HIV)

Question 12

CC of pneumonia in:

CC of pneumonia in: Nosocomial

Answer 12

• S aureus
• Pseudomonas
• other enteric gram ⊝ rods

Question 13

CC of pneumonia in:

CC of pneumonia in: Postviral

Answer 13

• S pneumoniae
• S aureus
• H influenzae