ID Flashcards
Which vaccine is contraindicated in egg allergic patients?
Yellow fever
Rabies and tick borne encaphalitis with caution
What is hepatitis A prophylaxis?
<2 weeks from exposure Hep A vaccine
Hep A Ig if <1yo or immunocompromised
Which bacteria are shown to benefit from dexamethasone therapy in meningitis?
- S pneumoniae
2. Hib
What is the leading cause of HIV in women in Canada?
Heterosexual exposure
What are the complications of neonatal gonococcal eye infection?
- Corneal ulceration
- Perforation of globe
- Permanent visual impairment
What is the most common cause of acute cervical LAD?
Staph aureus
What is the most common cause of chronic cervical LAD?
- Non-TB mycobacterium
2. B henselae
What is the most common organism in febrile neutropenia?
Gram positive organisms
What is the prophylaxis for pertussis?
Macrolide to all household and close contacts even if immunized
Which neonates should receive VZIG?
- Neonates whose mothers develop varicella 5d prior or 2d after delivery
- Infants <28 wks with mother w/ active varicella @ delivery
Which neonates require acyclovir therapy for chicken pox exposure?
Those with rash
What percentage of children with active TB are PPD negative?
10%
What is the prophylaxis for immunocompromised patients with chickenpox exposure?
VZIG w/in 96h
If no VZIG vaccine within 3d and acyclovir x 7d
What is the classic triad of visceral larva migrans (toxocariasis)?
- Eosinophilia
- Fever
- Hepatomegaly
What is Caffey disease?
Hyperostosis w/ inflammation of contiguous fascia and muscle, 75% affecting mandible presenting in infancy
What is the prophylaxis for neisseria meningitidis?
Rifampin
What are the contraindications to breastfeeding?
- Galactosemia
- Maternal HIV
- Maternal T cell lymphotrophic virus type I or II
- Maternal brucellosis
Relative - Maternal active TB (no BF x 2wks, can give EBM)
- Mastitis (if obvious pus pump and discard)
- Maternal high dose metronidazole x 12-24h
- Maternal primaquine and quinine in G6PD def
What are Pastia’s lines associated with?
Scarlet fever (strep)
Why do you treat Salmonella bacteremia in children <3mo?
To prevent meningitis
What is the distinctive laboratory finding in Chlamydia pneumonia of infancy?
Eosinophilia
What is the only proven treatment for measles in immunocompromised patients?
Vitamin A
What is the most likely cause of SBP in nephrotic syndrome?
Strep pneumo
What is the highest infection risk for transfusion?
Parvovirus
Hep B is second 1 in 1.1-1.7 million
What is the organism for Lyme disease?
Borrelia burgodorferi
What is the treatment for pinworms?
Albendazole 400mg PO q2wks x 2 doses
