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Flashcards in Clinical Deck (23):
1

Pigment produced by Actinomyces israelii

Yellow "sulfur" granules

2

Pigment produced by S. aureus

Yellow pigment

3

Pigment produced by Pseudomonas aeruginosa

Blue-green pigment (pyocyanin and pyoverdin)

4

Pigment produced by Serratia marcescens

Red pigment

5

Most common cause of acute endocarditis

Staphylococcus aureus

6

Etiologic agent:
- pneumonia complicated by empyema, abscess or pneumatocoele
- post viral pneumonia

S. aureus

7

Etiologic agent: gastroenteritis after consuming salad made with mayonnaise

S. aureus
(due to heat stable staphylococcal enterotoxin)

8

Most common cause of:
- PROSTHETIC valve endocarditis
- septic arthritis in prosthetic joints
- ventriculoperitoneal shunt infections

S. epidermidis

Tx: vancomycin

9

2nd most common cause of UTI in sexually active women

S. saprophyticus

Tx: fluoroquinolones, tmp-smx

10

Most common cause of neonatal pneumonia, sepsis, and meningitis

Group B Streptococcus (S. agalactiae)

Tx:
- penicillin g
- penicillin g + aminoglycoside (serious infxn)

11

Etiologic agent: endocarditis in patient who underwent GIT surgery

Enterococcus faecalis (group D strep)

12

Etiologic agent: marantic endocarditis in patients with abdominal malignancy

Streptococcus bovis

13

Most common cause of CAP in adults; rust-colored sputum

Most common cause of bacterial meningitis in adults

Most common cause of otitis media in children

S. pneumoniae

Tx: penicillin g
Levofloxacin or vancomycin with ceftriaxone for penicillin resistance

14

Etiologic agent: dental caries

S. mutans

15

MCC of subacute and native valve endocarditis

S. sanguis

(Viridans streptococci enhances adhesion to damaged heart valves)

16

Etiologic agent: brain abscesses

S. intermedius

17

EA: woolsorter's disease (contact with infected animals or inhalation of spores from animal hair or wool)

Bacillus anthracis

18

Pulmonary hemorrhage is the mcc of death in: (3)

- anthrax
- leptospirosis
- congenital syphilis

19

MCC of meningitis in immunocompromised patients

2nd MCC of meningitis in people > 50yo

Listeria monocytogenes

20

Causes of neonatal meningitis (3)

- groub B strep
- E. coli
- Listeria monocytogenes

21

Cause culture negative subacute bacterial endocarditis in pxs with preexisting heart disease (2)

Eikinella corrodens
Kingella kingae

22

HACEK group members
(Infective endocarditis)

Haemophilus spp
Aggregatibacter spp
Cardiobacterium spp
Echinella corrodens
Kingella spp

23

MCC of meningitis in ages 2-18

Neisseria meningitidis