ID Flashcards
Etiology of Kaposi sarcoma
HHV-8
typically regresses with HART
What abx should you start for neutropenic fever?
Need an anti-pseudomonal agent (cefepime, meropenem, pip-tazo)
ANC < 1500
Organisms in Strep veridians
Strep mutans Strep snaguinis Strep mitis Strep sobrinus Strep milleri
What is the PNA vax schedule for chronic liver disease, heart dz, DM, smokers, pts?
PPSV23 once, then revax with PCV 13 and PPSV23 at 65 y/o
What is the PNA vax schedule for adults over 65?
PCV13 followed by PPSV23
HIV pt with RUL PNA x months with B syx
TB reactivation
Pt on Isonazid develops mildly elevated LFTS (<100). Now what?
Nothing. This often ocurs within a few weeks of tx. Liver Injury is usually self limited
Landscaper and cat owner develops papule over the hands w/o lymphadenopathy
Sporothrix schneckii - local papule that ulcerates and drains nonpurulent odorless fluid. Develops proximal lesions along the lines of lymphatic drainage. Systemic spread is rare. Tx - itraconazole
If LAN present - Bartonella
PPD is + in HIV when?
> 5mm
Recent tick bite
Febrile illness
Leukopenia and/or thrombocytopenia
elevated LFTs
Ehrlichiosis
Tx - doxycycline
Seen in the south
What needs to be added for prophylaxis for a HIV + with CD4 count < 50
Azithromycin (mycobacterium avum)
Non specific cough, fever, weight loss
abx regimen for suspected bacterial meningitis in immunocompromised
Cefepime + vanc + ampicillin
HIV + can receive live vax if CD4 count is?
> 200
Those receiving TNF alpha inhibitors should be cautious about
Live vax
IVDU presents with chest CT revealing multiple nodular lesions w/ small cavities. Etiology?
Staph aureus vegetations breaking off of the Tricuspid valve