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ABIM - Infectious Disease questions with verified solutions
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ABIM - Infectious Disease questions with verified solutions
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ABIM - Infectious DiseaseAeromonas hydrophile - correct answer ✔✔Found in aquatic environments
GNR
Tx: doxycycline plus ciprofloxacin or ceftriaxone
Small pox exposure - correct answer ✔✔Give vaccine (live) within 7 days
Unless the patient is severely immunodeficient (within 4 months of bone marrow transplantation, HIV
infection with CD4 cell counts <50/µL, or severe combined immunodeficiency), the vaccine should be
given.
If contraindicated, give immunoglobin
Tetanus with wounds - correct answer ✔✔. If given less than 3 lifetime doses :
- clean wound: toxoid injection
- crush wound, dirt/feces, puncture wound, or bullet : toxoid plus IG
If given at least 3 lifetime doses:
- clean wound: toxoid injection if last was > 10 years ago
- crush wound, dirt/feces, puncture wound, or bullet : Toxoid if given >5 years ago
Dog bite & rabies - correct answer ✔✔Observe the dog for 10 days
When to give abx for bites - correct answer ✔✔ALL human bites
Animal: immunocompromised, always treat the hand (close to joints), severe, crush, edema
Rabies ppx - correct answer ✔✔Immediate for: bat, raccoon, fox, skunk
Observe animal for 10 days: dogs, cats, ferret
No ppx: rodents
, Syphilis tx - correct answer ✔✔PCN 2.4 mil until x1
Early latent 50,000 mil units PCN x1
Late latent 50,000 mil units PCN weekly x3 weeks
Neurosyphilis - aqueous PCN 18-24 million units/day IV 10-14 days. Repeat CSF q6 months until normal
Disseminated gonorrhea tx - correct answer ✔✔1g ceftriaxone IV daily x 7 days
Campylobacter tx - correct answer ✔✔3 days azithromycin
MAC - correct answer ✔✔get for inhaled of aerosolized water
can get "hot tub lung" hypersensitivity pneumonitis
posttransplant lymphoproliferative disorder (PTLD) - correct answer ✔✔- fever, pancytopenia,
generalized lymphadenopathy, and hepatosplenomegaly
- risk is higher in patients with a history of pre-existing EBV infection treated with lymphocyte-depleting
agents and in those receiving sirolimus and tacrolimus compared with those receiving mycophenolate
and cyclosporine.
-PTLD can range from a benign monoclonal gammopathy to a malignant lymphoma.
- tx: decrease immunosupression; rituximab or chemo
PPD >5mm positive if - correct answer ✔✔HIV
Close contacts
PPD >10mm positive if - correct answer ✔✔immigrant from endemic area
IVDA
Healthcare employees & residents
At risk for TB re-activation
Chagas disease - correct answer ✔✔Phase 1: fevers and arthalgias
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