ID Flashcards
acute HIV presentation
fever, fatigue myalgia, arthralgia generalized nontender lymphadenpatyh diarrhea, weightloss rash oral ulcers
disseminated histoplasmosis
common in severe immunodeficiency
- bilateral lung infiltrates with calcified hilar nodes
- mucocutaneous lesions
dx= urine antigen tx= amphotericin
scarlet fever
pharyngitis
rash along skin folds –> desquamates
antibiotics for newborn meningitis?
AMP + cefotaxime
-or-
AMP + gentimicin
**ceftriaxone cause cause kernicterus in <1 yo
when do you give Tdap vs Tdap with TIG?
TIG only when wound is not clean or its huge
toxo proph in HIV?
CD4 <100 give TMP-SMX
toxo in HIV patient?
ring enhancing lesionS –> involve basal ganglia
Tx with sulfalazine, prymethamine
mastoiditis: best dx test, best tx
CT!! –> opacification of mastoid air cells
IV vanc
first line vs second line med for neuropathic pain of VZV
1st= TCA....but look for heart conditions!! 2nd= gapapentin
adeno conjunctivitis is…..
HSV conjunctivitis is…..
bilat
unilat
ring enhancing lesion >4cm that involves corpus collosum in HIV pt?
CNS lymphoma (EBV+)
tx= methotrexate
AOM bugs in kids?
h flu
moraxella
strep pneumo
**use azithromycin if previous allergic reaction
complications of malignant otitis externa
facial nerve palsy
osteomyltitis of the skull base
tx= IV FQ
(seen in old people with poorly control DM)
orbital cellulitis most likely spread from….
distinguish it from preseptal cellulitis?
ETHMOIDAL sinus
orbital cellulitis has pain with EOM
how does treamtment of infantile botulism differ from adult?
use HUMAN antitoxin in babies because less risk for hypersensitivity rxn because no forgein antigens
(you can use horse antitoxin in adults)
rabies PEP?
rabies vaccine and IG
only req vaccine if you’ve already recieved this in the past
ketotifen
second gen anti-histamine that is used for allergic conjunctivis
pannus (of the eye)
corneal hazziness that is pathogmnemonic for trachomal conjunctivitis
most common anterior mediastinal mass and assoc
thymoma –> myasthenia gravis
temporal bone fracture cause CSF _______ and
basilar ANTERIOR cranial fossa fracture cause CSF______ and ______
ottorrhea, battle signs (postauricular hematoma)
rhinnorrhea and racoon’s eyes
most common nec fasc bug
strep pyogenes
complication of cervical spine fracture
immediate or delayed cervical spinal cord compression/ phrenic nerve paaralysis
*do not be fooled by a normal looking pulse Ox, look at all other signs too
test for meniscus injury
MRI, but arthroscopy is definitive
**looko for stupid ass reasons why a patient can’t have an MRI
tx for jarisch herxheimer rxn
NSAIDS
*release of exotoxin from spirochetes as abx kill them. Usually in syphillis
presentation of scarlett fever
- flushed cheeks with perioral clearing
- rash in arm pits and groin
- beefy red tongue
after 1-2 weeks, peeling of palms and soles
tx for scarlett fever
penicillin
**macrolide if allergy
laryngomalacia
floppy supraglottic structures that cause inspiratory stridors, peaks at 4-8 months, usu resolve by 18
dx with direct laryngoscopy
mst common cause of abnormal hemostasis in CRF?
platelt dysfunction
tx= desmopressin (d not tranfuse platelts)
CT signs of ischemic colitis
bowel wall thickening, pneumatosis
classic is painful hematochezia after repair of AAA
classic presentation of CAH (21)
dehydration, salt wasting, (hyperk), virilization
dx= inc 17-OH-prog
(you can’t make glucocorticoids or mineralcorticoids)
takayasu arterities
large vessel vascultisi that effects younger asian women
- upper extremitiy:
- ->ulcer
- ->claudication
- ->pulse deficits
- ->BP descrepencies