Neonatal infections / TORCHES Flashcards
what constitutes a peri natal infection
infections acquired before (in utero), during (natal), or shortly after birth (post-natal)
what is the MCC of perinatal infection
CMV
intracranial calcification
toxo (diffuse) or CMV (periventricular)
Chorioretinitis
Toxo or CMV
Cataracts
Rubella or HSV
congenital cardiac dz
Rubella
Bone lesions
Syphilis (saber shins) or rubella
vesicles
HSV, VZV, or syphilis
Microcephaly
CMV
Hydrocephalus
Toxo
how do you prevent toxoplasmosis
avoid cat litter and undercooked beef
presents w/ chorioretinitis, hydrocephalus, and intracranial calcifications
Toxo
how do you dx toxo
serology
what is the MC meningitis infection in babies
GBS
how do you decrease risk of GBS infection
intrapartum abx
How does GBS infect the baby
vertical transmission
mom has arthritis
Rubella
PDA, cataract, deaf, blueberry rash
Rubella
what causes rubella
togavirus
hearing loss, blueberry rash and seizures
CMV
what is the worst CMV infection
congenital > natal> postnatal
how do you tx CMV
IV ganciclovir
how do you dx CMV
CMV isolation from body fluids
CMV is what type of virus
HHV5 dsDNA linear and enveloped
what type of virus is HIV
ssRNA+ w/ RT
how do you dx HIV
viral culture + PCR
what is the tx @ birth of HIV
AZT until 2 neg viral cultures
how do you prevent HIV infection in neonate
maternal screen
skin eye mouth dz
HSV
how do you tx HSV infection
Acyclovir
how do you dx HSV infection
culture/PCR/LP; if seronegative mom = inc risk for baby
what is worse primary infection or recurrent infection of HSV
primary
baby w/ hx of trauma
inc likelihood of neonatal infection
encephalitis at day 16-17
HSV
what makes syphilis infection worse
co infection w/ HIV
how do you figure out if syphilis has been transmitted to the baby
Mother’s serology (not cord serum)
do babys w/ congenital syphilis develop primary syphilis
No either secondary or tertiary
pale/thick/large placenta
syphilis
hydrops fetalis
syphilis
saddle nose, saber shins, clutton joints
syphilis
copper rash on hands/feet
syphilis
notched incisors and mulberry molars
syphilis
cn VIII deafness
syphilis
rhagades lesions
scars in skin near mouth (syphilis)
what causes syphilis
T pallidum
how do you tx syphilis
Procaine, penicillin g
asymptomatic @ birth and develops bone deformity, rash on hands and feet, and teeth deformities, trouble hearing
syphilis
how do you dx syphilis
RPR/VDRL (Ab to cardiolipin) or FTA-ABS/MHA-TP (Ab to T pallidum)
Wimberger’s sign on xray
moth eaten appearance of bone (upper medial tibia) syphilis