infectious disease application exercise

Question 1

is bacteremia necessary for sepsis?

Answer 1

nope - you can get it from a fungus or virus - eg, ebola.

Question 2

antibiotic treatment for chlamydia

Answer 2

azithromycin

Question 3

antibiotic for strep throat

Answer 3

penicillin

Question 4

antibiotic for otitis media

Answer 4

amoxicillin

Question 5

Case: 45yo man with subconjunctival hemorrhages, infarcts in his kidney, stroke in his brain. Echocardiogram inconclusive. Diagnosis?

Answer 5

he has endocarditis. Do not need a positive echo for the diagnosis, and repeating the exam doesn’t do you any good.

Question 6

meningitis.

CSF with high neutrophils, low glucose. What type of infection is it?

Answer 6

bacterial.

Question 7

Why do we get a CT scan before a lumbar puncture in patients with high intracranial pressure? What is the risk?

Answer 7

-cerebral herniation

Question 8

What are the 2 major opportunistic infections in organ transplant patients?

Answer 8

• pneumocystis jiroveci
• CMV

*patients need prophylaxis for these diseases!

Question 9

TNF a predisposes to which type of infections?

Answer 9

granulomatous- mycobacterial or fungal.

Question 10

which 3 bacterial organisms are common causes of otitis media, acute sinusitis, and community acquired pneumonia?

Answer 10

• strep pneumo
• H. influenzae
• moraxella catarrhalis

Question 11

Which upper respiratory infections are usually viral?

Answer 11

acute bronchitis and sinusitis

Question 12

Man with ventilator- associated pneumonia. What are the possible organisms that could be causing it?

Answer 12

staph aureus, gram negative rods, and possibly anaerobes..

Question 13

You see a case which is classic for pharyngitis caused by group A strep. Do you need to do any tests?

Answer 13

Yes. Even if it’s classic, you still need confirmation.

Question 14

What is the most likely source of a S. Aureus UTI?

Answer 14

bloodstream. Always evaluate!