Infectious Diseases I: Background & Antibiotics by Drug Class

Question 1

Common bacterial pathogens in the CNS/meningitis

Answer 1

Streptococcus pneumoniae
Neisseria meningitidis
Haemophilus influenzae
Group B Streptococcus/E. Coli(young)
Listeria (young/old)

Question 2

Common bacterial pathogens in the upper respiratory system

Answer 2

Streptococcus pyogenes
Streptococcus pneumoniae
Haemophilus influenzae
Moraxella catarrhalis

Question 3

Common bacterial pathogens in the heart/endocarditis

Answer 3

Staphylococcus aureus, including MRSA
Staphylococcus epidermidis
Streptococci
Enterococci

Question 4

Common bacterial pathogens for SSTIs

Answer 4

Staphylococcus aureus
Staphylococcus epidermidis
Streptococcus pyogenes
Pasteurella multocida
+/- aerobic/anaerobic GNR (in diabetes)

Question 5

Common bacterial pathogens in the bone/joint

Answer 5

Staphylococcus aureus
Staphylococcus epidermidis
Streptococci
Neisseria gonorrheoae
GNR (in specific situations)

Question 6

Common bacterial pathogens in the mouth

Answer 6

Mouth flora (peptostreptococcus)
Anaerobic GNR (prevotella, others)
Viridans group streptococci

Question 7

Common bacterial pathogens in the lower respiratory tract (community)

Answer 7

Streptococcus pneumoniae
Haemophilus influenzae
Atypicals: Legionella, Mycoplasma, chlamydophila
Enteric GNR (AUD)

Question 8

Common bacterial pathogens in the lower respiratory tract (hospital)

Answer 8

Staphylococcus aureus (including MRSA)
Pseudomonas aeruginosa
Acinetobacter baumannii
Enteric GNR (including ESBL+, MDR)
Streptococcus pneumoniae

Question 9

Common bacterial pathogens in the urinary tract

Answer 9

E. Coli, Proteus, Klebsiella
Staphylococcus saprophyticus
Enterococci

Question 10

Common resistant pathogens

Answer 10

Klebsiella pneumoniae (ESBL, CRE)
Escherichia coli (ESBL, CRE)
Acinetobacter baumannii
Enterococcus faecalis, Enterococcus faecium (VRE)
Staphylococcus aureas (MRSA)
Pseudomonas aeruginosa

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