ID Flashcards
Is HIV screening recommended for all pt 15-65 regardless of risk factors?
yep, with HIV p24 Ag and Ab testing
HA, confusion, breathing symptoms, diarrhea + hyponatremia and elevated LFTs
legionella
Legionella tx
macrolide or fluorgoquinolone
UTI with alkaline urine and struvite stone
proteus infection
Undercooked meat + foreign travel + GI complaints followed by periorbital edema, edema, myositis, eosinophilia + roundworm parasite
Trichinellosis
Fever, abdominal pain, salmon-colored rash, hepatosplenomegaly
Typhoid fever
camping, diarrhea, flatulence, abdominal cramps, weight loss, nausea
giardia
fever, HA, retro-orbital pain, rash, significant myalgia and arthralgias
Dengue fever
Risk factors for bacillary angiomatosis
cat exposure, homelessness, CD4 <100
How does bacillary angiomatosis manifest
Skin
Systemic - fever, night sweats, fatigue
Organs - liver, bone, CNS
Bacillary angiomatosis treatment
Doxy or erythromycin + INCREASE CD4 with ART
Locations of nocardia infection
lung + brain
interstital pneumonia when CD4 < 200
Pneumocysits jiroveccin
colorectal disease + IE
s gallolyticus, s bovis
tx of mucormycosis (nasal infection + poorly managed DM)
surgical debridement plus amphotericin B `
+ RF, elevated ESR, normocytic anemia + constitutional sx + dyspnea, cough, edema, osler nodes + septic embolic to brain, spleen, lung + glomerulonephritis
variety of IE symptoms given its potential to transform into acute, subacute, chronic manifestations
Adult Still disease
inflammatory disorder - recurrent high fevers, arthritis/arthralgias, salmon-colored rash, + ESR
Patient presents with indolent course of cough, fever, dyspnea and has XR suspicious for PCP which is confirmed with BAL. What treatment to start?
TMP-SMX and steroids, also test for HIV and start ART if appropriate
Tx for CAP
Ceftriaxone + azithromycin
Tx for HAP
Vancomycin + piperacillin-tazobactam
Travelers’ diarrhea that is prolonged, profuse, water
cryptosporidium parvum, cyclospora, giardia
Diarrhea quality with entamoeba histolytic and shigella
dysentary - bloody and mucoid
HIV +, subacute fever, HA, increased ICP sx
cryptococcal meningitis
cognitive and personality changes, focal neuro deficitys, seizures, temporal lobe involvement
HS encepahlitis
MRI with patchy areas of white matter, HIV, JC virus
progressive multifocal leukoencephalopathy (PML)
fever, back pain, focal spinal tenderness
osteomyelitis - get blood cx, inflammatory markers, MRI then CT guided bone biopsy
List two main opportunistic infections and the ppx tx
Pneumocystis pneumonia - TMP-SMX
CMV - ganciclovir or valganciclovir
great lakes, pulmonary illnes, verrucuous nodules and plaques
blastomycosis
When and how ppx against pneumocystic jirovecci
CD4 < 200 + TMP-SMX
When and how ppx against toxoplasma gondii
CD4 < 100 + TMP-SMX
When and how ppx against MAC
CD4 < 50 + Azithromycin
When and how ppx against Histoplasma capsulatum
CD4 < 150 + Itraconazole
Which HIV OI require TMP-SMX tx and when
Pneumocystis ( < 200) and Toxo ( < 100)