Miscellaneous Flashcards
What is the best test on physical exam to rule out mononucleosis?
Absence of lymphadenopathy
What is the definition of fever of unknown origin?
Temperature > 38.3 over 3 weeks with 1 week of investigation.
What is Q-fever?
Infection caused by Coxiella burnetti
What is the reservoir for Coxiella burnetti?
Ticks, but the most common cause of infection is farm animals. Living down-wind from a farm or working in a slaughterhouse is also a risk factor.
When would you consider PCP prophylaxis in the setting of steroid use?
If you are planning to treat someone else with prednisone > 20 mg/d for > 4-8 weeks
How do you screen for strongyloides?
Screen with serology +/- stool ova and parasites
Who would you screen for strongyloides?
Patients who are or are going to be immunosuppressed and have either lived in or had extended travel to an extended area.
In what regions is strongyloides endemic?
Rural areas of tropical and subtropical regions - SE Asia, Western Pacific, Latin America & Carribean
What is larva currens?
Raised, pink, pruritic streaks along the trunk, thighs and buttocks that result from larvae migrating in subcutaneous tissues.
What are the clinical manifestations of a strongyloides infection?
(1) Irritation at the site of skin penetration, including urticaria and edema.
(2) Dry cough and wheeze
(3) GI Symptoms: diarrhea, constipation, abdominal pain, anorexia
Which species of Candida is resistant to echinocandins?
C. Parapsilosis
Which species of candida are resistant to fluconazole (2)?
C. Galbrata
C. Krusei
Which antifungal do you need to use for empiric coverage of Candida species in pregnancy?
Amphotericin B
What is the treatment for invasive aspergillosis?
Voriconazole for at least 6 weeks
What are the highrisk blood borne pathogen exposures (4)?
Blood
Semen
Vaginal Secretions
Visceral Fluid (pleural, peritoneal, pericardial, amniotic)
