Flashcards in infectious disease Deck (222)
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What is the etiology of septicemia in a child 1-12 months?
GBS
E. coli
Strep pneumo
Staph aureus
Salmonella
1
What is the proper treatment in a septic newborn born to a mother with flu like symptoms and white nodules on placenta?
Amp and gent for listeria
2
What is the infectious etiology associated with rose spots in the skin?
Salmonella typhosa
3
What is the infectious etiology associated with ecthyma gangrenosum (large pustules on indurated inflamed base)?
Pseudomonas
4
What is the infectious etiology of non blanching rash and petechiae?
Neisseria
5
What is the common benign side effect of rifampin?
Orange secretions
6
What is the prophylactic drug of choice for meningococcemia?
Rifampin
7
What are the indications for meningococcemia prophylaxis?
Persons with contact to oral secretions
Household contacts or close contacts outside the house
8
What should you consider in a patient with elevated d dimer, low platelets and low fibrinogen?
DIC
9
What etiology should you consider in septic shock and how should you empirically treat?
Vancomycin and ceftriaxone to cover meningococcemia
10
What are the likely causes of meningitis in the neonate?
GBS
Listeria
E. coli
Enterovirus
11
What are the common causes of meningitis in young children?
Strep pneumo
Neisseria meningitidis
Enterovirus
Borrelia burgdorferi
Rickettsia
12
What complications of meningitis should be monitored for?
Focal deficits and SIADH
13
When does primary peritonitis occur?
Without an obvious intraabdominal source in patients with nephrotic syndrome or cirrhosis
14
What is the treatment for pneumococcal peritonitis ?
Third generation cephalosporin PLUS aminoglycoside
15
What type of abdominal infection is the likely source in a child with nephrotic syndrome? Why?
Encapsulated organism such as pneumococcus due to loss of IgG
16
What is the likely source of infection in a child with secondary peritonitis?
Gram negative organisms and anaerobes
17
What should you consider as a diagnosis in a dialysis patient with fever and abdominal pain ? What infectious etiology would you consider ?
Secondary peritonitis due to perforated bowel - due to staph epidermidis
18
What is the most common cause of vp shunt infection?
Staph epidermidis
19
What organisms does latex agglutination test for?
GBS
H. Flu
Neisseria meningitidis
Strep pneumo
20
When is latex agglutination helpful?
When partially treated infections are unreliably detected by culture
21
When can latex agglutination give false positives?
After HIb vaccine or with cross reactivity of E. coli
22
What is the treatment of choice in an immunocompromised child with fever or neutropenia ?
Zosyn + aminoglycoside OR
Ceftazidime (gram negative coverage)
23
What is used for prophylaxis against PcP?
Bactrim
24
What diagnosis should you consider in a patient with ground glass appearance on X-ray?
Pcp and HIV
25
What is the treatment for cryptosporidium ?
Nitazoxanide
26
What are the symptoms of cryptosporidium ?
Diarrhea that is severe, non bloody, watery lasting up to 10 days
27
What bacteria should you consider in a patient with intracytoplasmic inclusion bodies on scraping ?
Chlamydia pneumonia
28
What diagnosis should you consider in a patient with afebrile staccato cough, tachypnea and eye discharge?
Chlamydia pneumonia
29
