1.5 Infectious Diseases

Question 1

most common meningitis agents

Answer 1

1. s. pneumoniae
2. group B streptococci
3. h. influenzae
4. n. meningitidis
5. listeria

Question 2

risk factors for Listeria

Answer 2

• elderly
• neonates
• steroid use
• aids/HIV
• alcoholism
• inmunocompromised
• pregnant

Question 3

causes of infectious diarrhea without blood or white blood cells in the stool

Answer 3

• viral
• giardia
• cryptosporidiosis
• bacillus cereus
• staphylococcus

Question 4

Argyll Robertson Pupil

Answer 4

reacts to accomodation but not to light

Question 5

diagnosis of culture negative endocarditis

Answer 5

1. oscilating vegetation
2. three minor criteria:

• fever > 38/100.3
• risk factor (injections/prosthetic valve)
• signs of embolic phenomena

Question 6

what ATB do I add to prosthetic valve endocarditis with staph

Answer 6

rifampin

Question 7

when to operate on endocaditis?

Answer 7

1. CHF from ruptured valve
2. prosthetic valve
3. fungal endocarditis
4. abcess
5. AV block
6. recurrent emboli with ATB

Question 8

organisms that are difficutl to culture that cause endocarditis

Answer 8

HACEK

Haemophilus aphrophilus/parainfluenza

Actinobacillus

Cardiobacterium

Eikenella

Kingella

Question 9

what to test fr before I treat a patient with primaquine?

Answer 9

G6PD

Question 10

🚩 rash that starts on the hands and feet and spreads to the trunk and face and changes from maculopapular to petequial

Answer 10

rickettsia (Rocky Mountains Fever)