infectious disease incorrects Flashcards
positive IGRA means?
new TB infection
Fever of unknown origin can be due to what?
malignancy
infection
rheumatic disease
workup of FUO?
blood cultures
chest radiograph
urinalysis
LFT
best treatment for community acquired lobar pneumonia with recent antibiotic use?
fluoroquinolones such as levofloxacin
best treatment for lobar pneumonia in regular patients?
azithro
how pinworm infections occur?
inhaling
ingestion
whats most likely to cause perianal itching in kids?
pinworm
what is tubeculin skin test positive?
more than 15 cm induration in anybody
more than 10cm in thse with exposure risk
more than 5cm in immuno compromised
neurosyphilis presents as
anytime during infection symptoms of meningitis chancre rash can cause personality changes
how does rabies travel?
sensory nerve to posterior root ganglion to spinal cord to ascending neurons to CNS to sensory nerves
whats moa of penicillin?
binds to transpeptidase
what antibiotics bind to 30s subunit?
aminoglycosides
tetrascyclines
what antibiotics bind to d alanine?
vanco
what antibiotics bind to dna gyrase
quinolones
symptoms of flu?
severe fatigue
headache
myalgias
sudden onset of fever
first thing to do when bacterial meningitis suspected?
2 blood cultures
order of meningitis treatmetn?
2 blood cultures
lumbar puncture if not contraindicated
dexamethasone and antibiotics
most common cause of viral pharyngitis?
adenovirus
acute otitis media in kids often presents as
otalgia, fever, bulging TM
hallmark of cutaneous anthracis?
lymphangitis
diphteria can lead to
neuropathy
myocarditis
paralysis