peds uworld Flashcards
girl with primary amenorrhea with no sense of smell
kallman syndrome
are FSH and LH elevated or depressed in Turners?
elevated
which rash manifests as hypopigmented lesions with surrounding darker area and itchy
tinea versicolor
which rash is christmas tree distribution on trunk?
pityriasis rosea
CBC results for sickle cell splenic sequestration
anemia
increased reticulocytes
dec platelets
reye syndrome on liver biopsy shows
microvesicular steatosis
ppx for household contacts for pertussis
macrolide abx- regardless of age, sxs, vaccine status
sturge weber syndrome presentation
Port wine stain on face leptomeningeal cap-venous malformation ID seizures visual field defects
legg calves perthes disease on x ray
avascular necrosis- flattened fragmented femoral head
treatment for common variable immunodeficiency
IVIG
treatment for prolonged QTc syn
beta blockers, pacemaker
prevent with nl lytes and avoid meds that induce it
whats gold standard dx for duchennes?
genetic testing of dystrophin gene
can kids skip to treatent for strep throat if fulfill all centor criteria?
no, must be tested. only adults can skip
centor criteria
fever
tender LAD
tonsillar exudates
no cough
treatment for strep throat
penicillin or amoxicillin
are flaky peeling hands and feet normal in newborn?
yes
what are pink stains in diaper newborns represent?
uric acid crystals- nl first week
does testicular cancer risk go down with cyptochordism who’s undergone orchiopexy?
yes, but still higher than general pop
both bruton agammaglobuminemia and CVID have decreased Igs all around, but which one has also low B cell count?
bruton agammaglob
decrease total lymphocytes - CD4 to get B cell #
what is this ear dz? chronic ear drainage for weeks, new onset hearing loss, skin debris and granulation tissue
cholesteatoma - congenital or acquired (2/2 middle ear dz)
breath holding spells
benign brief apnea and color change
emotional trigger
6 mo- 2yrs
clavicle fracture treatment
self- resolve within 10 days- gently handle
which is most common cause of pneumonia in CF patient under 20 and over 20
under 20: staph aureus
over 20: pseudomonas
Lesch Nyhan syndrome
x-linked defect in HGPT pathway
ID, dystonia, chorea, spasticity
self-mutilation
gouty arthritis
asymmetric resp distress, think…
foreign body aspiration
dx and tx of foreign body aspiration
bronchoscopy
milk or soy protein induced colitis
2-8 weeks
vomiting, bloody diarrhea, eczema
switch to hydrolyzed formula
herpangina (coxsackie A) vs herpetic gingivostomatitis locations of oral lesions
cox: posterior oropharynx
HSV: anterior oropharynx and lips
is PaO2 nl in methemoglobunemia?
yes but pulse ox is low (decreased oxygen delivery to tissues, but still bound to Hgb)
antidote to methemoglobunemia?
methylene blue
antidote to lead poisoning
dimercaprol
antidote to ethylene glycol or methanol
fomipizole
marfanoid body habitus sxs
pectus deformity tall: lower>upper, long arms skin hyperplastic joints lax scoliosis
homocystinuria vs marfan syndrome distinguishing features
both have marfanoid body habitus
marfan: normal intellect, aortic root dilation, upward lens dislocation
homo: ID, thrombosis, downward lens dislocation
homocystinuria is a defect in
cystathione synthase
homocystinuria treatment
B6, B12, folate
anticoagulation or antiplatelet to prevent stroke
serum sickness-like reaction
hypersensitivity III 1-2 weeks after beta lactams or bactrum (or hep B, immune complex dz)
fever, rash, polyarthlagia
cephalohematoma vs caput succedanum
ceph: subperiosteum, doesnt cross suture lines, resorbs
caput: superficial, crosses suture lines
patient with hx of cyanotic congenital heart dz and recurrent sinusitis would lead to what which causes what triad?
brain abscess
fever, FND, HA
most common bacteria to cause otitis externa (swimmers ear)
pseudomonas
do abscence seizures have post ictal period?
no
1st step to evaluate primary amenorrhea
pelvic US- uterus present?
do patients without mullerian duct have nl FSH and LH?
yes, because ovaries unaffected
goals of SpO2 in newborn at minutes 0, 1-5, 5-10
0: 60%
1-5: 80%
5-10: 90%
if under, do pos pressure ventilation
do CPR on baby if HR under
60
