F. Gram Neg Rods !!!

Question 1

Name all fastidious GNRs

Answer 1

H. Influenzae
Brucella - animal, milk, PUO
Bartonella - cat scratch
Bordetella - WHOPPING cough, pertussis 
Yersinia - plague
Legionella - water-cooling towers;

HACEK!!!

Question 2

H. Influenzae

• properties
• structure
• damage
• location
• Vaccine

Note majority of invasive is due to non encapsulated lol

Answer 2

FGNR, Capsule
- Chocolate Agar; 2 growth requirements X, V
Location: found normally on skin, NP flora

Structure: Type B serotype for HiB vaccine;
- compulsory in SG

Damage

• Invasive, everything, pneumonia; Meningitis
• Pneumonia is HAP, Bronchopneumonia;

Non-invasive also can eg sinusitis, otitis media

Question 3

H. Influenzae AB

- R and S

Answer 3

R: penicillin due to beta-lactamases

• VS Strep. Pneumonia due to PBP changes
• VS Strep Viridans due to PBP changes too - alpha hemolytics

S: Ceftriaxone;

Question 4

What are resistant to Cephalosporin

Answer 4

L MCG!!! - hence meningitis give Ampicillin;

Enterococci;

Question 5

Whats HACEK and what other bacteria causes it

Answer 5

FGNR, Infectious Endocarditis;

• Think Strep Viridans, Staph Aureus;

Question 6

Bordetella

Answer 6

Pertussis

- part of DTaP vaccine

Question 7

Brucella

Answer 7

Infected ANIMALS, milk

Question 8

Bartonella

Answer 8

Insects spread

- fleas on cats, Cat Scratch;

Question 9

Yersinia

Answer 9

Plague, flea, RATS

Question 10

Legionella

- lab diagnosis

Answer 10

Water, Air con cooling towers, pneumonia;

• NAT, URINE!!! test + Lung sample
• • bronchoalveolar lavage

Question 11

Bacillary Vaginosis

• properties
• RF
• AB

Answer 11

Disturbance of Bact. Flora

• Clue Cells
• Smelly discharge
• Alkali pH

Risk Factor
- douching, multiple sex partners

• Metroniadazole
• • also used for CDAD, NSA anaerobes!!!!!!!

Question 12

HACEK

• structure
• location

Answer 12

fGNR

All of these organisms are part of the normal oropharyngeal flora