Infectious Disease Flashcards
Pt from Nantucket Island/Long Island/Massachusetts or blood transfusion presents with fever, chills, drenching sweats, and dark urine. No rash
Hb 8
Plt 95K
Blood smear —> ring forms, maltese cross or tetrad
Babesia
Treat with azithromycin and atovaquone
Pt went hiking in the Northeast on Friday and found a tick attached on Monday morning. No rash, no symptoms
<24 hours just observe
36 hours or more, treat with Doxycycline
Pt presents with fever, headache, generalized adenopathy, and maculopapular rash on palms and soles.
AST/ALT, ALT phos are mildly elevated
secondary syphilis
Pt wants advice for travelers diarrhea to southeast Asia w.t.w
Azithromycin
Fluoroquinolone or rifaximin can work as well.
Pt coming back from South Africa and now has fever, anemia, jaundice, and splenomegaly
malaria, great blood smear
Influenza outbreak in a nursing home. Best management to prevent further outbreak
Oseltamivir for everyone.
You can give vaccines as well, but that will take two weeks to start to work.
A pt is brought in January from NH with cough, sore throat, fever, and myalgias since yesterday. He had a flu shot the previous October. Several residents in NH have has similar symptoms. The rapid flue is negative. w.t.d
Oseltamivir
the rapid flue is ONLY 70% sensitive.
symptomatic care is not the correct answer
Pt returns from the Caribbean (Dominican Republic) with a high fever and pain in small joints of the hand, wrist, and ankle, with or without maculopapular rash. Dx?
Chikungunya
Typically the joint pain is severe
can be larger joints like the knee and elbow
Pt. with a painless genital ulcer or ORAL ulcer, anal ulcer, raised with indurated margin and clean base. LN positive. w.t.d next
Treponema pallidum enzyme immunoassay
Pt attends a party and eats from a buffy line, and has abdominal cramping and vomiting 4 hours after ingestion
Staph. aureus
can also be Bacillus cereus
These two are fast onset and have predominately vomiting with little to no watery diahrrea
The HIV-negative partner asks you how to prevent HIV in addition to condoms. w.t.d
Tenofovir-emtricitabine before sex
2- drug NOT 3
Pt was fishing on Nantucket Island. Pt noticed a rash on the leg, which disappeared a few days later. A couple of weeks later, pt presents with dizziness. What does the EKG show, and what caused this?
II/III heart block
Lyme disease (early disseminated)
Peripheral EOS, GI symptoms, and pulmonary symptoms. Pt is also exposed to an endemic area
Strongyloides
Southeastern United States
Pt was diagnosed with syphilis. The spouse comes to see you and totally asymptomatic. w.t.d
Benzathine PCN 2.4 million units one dose
