Pediatrics Infectious Disease Flashcards

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1
Q

0 - 2 months of age

A

meningitis:
group b strep
listeria
ecoli

signs are usually not usually there (nucchal rigidity)

emperic treatment:
use ampicillan and cefotaxime
or ampicillan and amino glycoside

and dexamethasone (steroid)

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2
Q

after 2 months of age

A

meningitis:
strep pneumonia
neisseria
h. influenza

emperic treatment:
use ceftriaxone and vancomycin

and dexamethasone (steroid)

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3
Q

pertussis

A

cbc will show lymphocyte high count (unlike most bacterial infections that are neutrophils) very high

Rx: is supportive, give erythromycin prevents patient from giving it to someone else, does not help the patient

treat household contacts

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4
Q

cat scratch

A
bartonella henselae
lymphadenitis lasting > 3 weeks
incubation 3 - 30 days
unilateral conjuctivitis
PCR of tissue is best test
warthins starry silver stain
rx: macrolides only if patient is not getting better
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5
Q

tuberculosis

A

intradermal ppd
four to eight weeks to turn positive

sputum cultures difficult for children

early morning stomach aspirate three days in a row

infants most likely to have symptoms

TB meningitis ** also give steroids!!

if mom has disease, then baby gets treated. they can be together.

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6
Q

lyme disease

A
borelia burgdorferi
ixodes ticks carry the spirochete
1- erythema migraines 
2- bells palsy and cardiac disease 
3- arthritis in large joints

tx: doxycycline (avoid in children under 8)
for those you use amoxicillan

meningitis: ceftriaxone or penicillan

good prognosis if caught early

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7
Q

rocky mountain spotted fever

A
rickettsia rickettsi
tick exposure
southeast (north carolina)
rash starts on extremities and moves centrally
petechial that becomes purpuric
serology for dx
may have hyponatremia

tx: doxycycline always (don’t worry about staining teeth)

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