Lymph nodes in the neonate react quickly or slowly to mild stimulus?
quick
What is the theory for the mild sensitivity of lymph nodes in neonates?
To compensate for lack of antibodies by increased filtration and phagocytosis
Which lymph nodes react especially quick to mild stimulus?
- cervical
2. postauricular chains
Which tonsils are much larger during early childhood than after puberty?
palatine tonsils
Do enlarged palatine tonsils in children necessarily mean there is a problem?
No but they may obstruct the nasopharynx (sleep apnea)
What would you suspect a child has if they snore loudly, have restless sleep, daytime sleepiness, and morning headaches?
obstructive sleep apnea
Developmental delay and frequent infection are signs of what?
obstructive sleep apnea
What should normal lymph nodes look and feel like?
Firm, discrete, moveable, <5mm, upu to 1cm in cervical or inguinal regions
What findings when evaluating lymph nodes would cause for further investigation?
- growing rapidly or suspiciously large (>2-3cm)
2. fixed and immovable
What lymph nodes are expected regions of enlargement for children under the age of 1 and 2?
Postauricular and occipital
What lymph nodes are expected regions of enlargement for children over the age of 2?
Cervical and submandibular
It is NEVER normal for what lymph nodes to be enlarged?
Supraclavicular
What virus is infectious mononucleiosis?
Epstein-Barr Virus
Infectious mononucleosis ma occur at any age but what age is MC?
teens
What are the initial symptoms of Infectious mononucleosis?
- Pharyngitis
- fever
- fatigue
- malise
What are the exam findings fro infectious mononucleosis?
- Enlarged anterior and posterior cervical chains
- Splenomegaly
- hepatomegaly
- Rash
What are symptoms of strep pharyngitis?
- sore throat
- runny nose
- headaches
- fatigue
- abdominal pain
What are the exam findings of Strep pharyngitis?
- palatal petchiae
2. Enlarged anterior cervical nodes
What is needed to confirm strep pharyngitis?
Throat culture
What is the Mclsaac modification score?
A sign and symptoms score to give a likelyhood of pt. having strep. (-1 through 4/5)
What is the percent likelyhood of a pt. having strep if they have a mclsaac modification strep score of: -1/0 = ? 1 = ? 2 + ? 3 = ? 4 = ?
-1 = 1% 1 = 10% 2 = 17% 3 = 35% 4 = 51%
What is cranial molding?
During vaginal birth cranial bones shift and overlap but will resume a normal shape and size
How long should you expect the skull to resume normal shape after a vaginal birth?
1 week
What is the condition Caput succedaneum?
subcutaneous edema
Does Caput succedaneum (subcutanous edema) cross suture lines?
Yes
What is the MC are to have Subcutaneous edema (caput succedaneum)?
occiput
Are the margins of caput succedaneum (subcutaneous edema) firm and well defined or soft and poorly defined?
soft and poorly defined
What is cephalhematoma?
Subperiosteal bleed
Does a cephalhematoma (subperiosteal bleed) cross sutures?
No
What is the MC location of a cephalhematoma (subperiosteal bleed)?
Parietal bone
Are the margins of Cephalhematoma (subperiostial bleed) firm and well defined or soft and poorly defined?
firm and well-defined ages
What is craniosynostosis?
Irregular or premature closing of cranial suture lines
Unusual contour of the cranium in preterm infants can be due to what?
Soft cranial bones flattening with positioning and weight of head
Is craniosynostosis accompanied by mental retardation?
No
What are visual cues of craniosynostosis?
- small head circumference (microcephaly)
- Rigid sutures
- Misshapen skull
What is plagiocephaly?
Flattening of the head
Does positional head deformity (plagiocephaly) have ridging?
NO
The ear on the flat side of the head migrates in what direction with positional head deformity (plagiocephaly)?
Ear on flat side migrates forward
What side does the forehead prodrude with positional head deformity (plagiocephaly)?
Same side as occipital flattening
Where is the bald spot with Positional head deformities?
on the side of flattening
Does Craniosynostosis have a palpable ridge?
YES
What is seen with the ears of a pt. with craniosynstosis?
Ears appear even or ear on flat side appear to be more posterioir
Does the forehead protrude with craniosynostosis?
NO
Is there a bald spot with craniosynostosis?
NO
With positional plagiocephaly what shape does the top of the head represent?
parallelogram
With Synostosis plagiocephaly what shape does the top of the head resemble?
trapezoid
What is the rarest type of craniosynostosis?
Lambdoid synostosis (2-4% of cases)
What characteristics are seen with a pt. that has lambdoid synostosis?
- flat back of head on affected side
- compensatory growth of mastoid process on same side
- Tilt of cranial base
- Ear on affected side is deviated back and toward fused suture
what differentiates positional/deformational plagiocephaly from lambdoid synostosis?
Lambdoid synostosis has a cranial base tilt
When palpating the head you will feel slight grooves along the sutures up to what age?
6 months
When do the post. and ant. fontanels close?
Post. fontanel = ~2 months
Ant. fontanel = 24 months
What can be the cause of fontanel bulging?
- infx
2. increased intracrainial pressure
What could be the cause of a depressed fontanel?
Dehydration
What measurement should the anterior fontanel not exceed?
4-5 cm
How do you measure the anterior fontanel?
Anteroposterior + transverse diameters divided by 2
How do you perform transillumination of the skull?
Transluminaor firm against scalp, begin at midline frontal region and inch over entire head, NOT any asymmetry in the ring of illumination
What is the normal size of the translumination ring on all regions of the head?
Occiput = <1 cm
Everywhere else = <2 cm
If illumination is greater than <1 in the occiput and <2 anywhere else what is suggested?
- excess fluid
2. decreased brain tissue in skull
When should transllumination be done?
on every infant and on an older child with a suspected intracranial lesion or rapidly increasing head circumference
How do you inspect a newborns neck?
Place infant supine and elevate the upper back and let the head fall back into extension
What is the result of an intrauterine deprivation of thyroid hormone and may cause respiratory distress?
Goiter
What is another name for torticollis?
wry neck
What are possible causes of torticollis as a result of a birth injury?
Hematoma palpable shortly after birth or a fibrous mass 2-3 weeks later
What are some causes of torticollis in older children
- trauma
- muscle spasme
- viral infx
- drug ingestion
- Subluxation
what do you first think of when managing torticollis?
- cause? spinal cord tumor, congenital anomoly, birth trauma, or sublux
What are four ways to care for torticollis?
- chiropractic care
- mechanical adjustments
- increased “tummy time”
- Exercises/stretches
What is Microcephaly related to?
Related to craniostenosis and cerebral dysgenesis
What is microcephaly associated with (symptoms)?
associated with mental retardation and failure of brain to develop normally
What is Hydrocephalus?
enlarged head, bossing of the skull, widening of sutures and fontanels
What are some signs of hydrocephalus other than an enlarged head?
- lethargy, irritability, weakness
- craniotabes
- ** sclera visible above the iris “Setting Sun Sign”
How do you detect the “setting sun sign” seen in hydrocephalus?
Rapidly lower the infant from uupright to supine position and look for the scelera above the iris (ddx = brainstem lesion)
What is craniotabes?
softening of the skull
When pressing the bone along the suture line if it pops in and out what does the pt. have?
craniotabes
What is craniotabes associated with?
- rickets and hydrocephalus
2. can be a normal finding in 1/3 infant newborns
Who is MC to have craniotabes?
premature infants
What are the asymmetric facial features of bells palsy (facial palsy)
- Eyelid wont close completely
- Drooping corner of mouth
- Loss of labonasial fold
What are some signs of down syndrome?
- depressed nasal bridge
- epicanthal folds
- mongolian slant of eyes
- low set ears
- large tongue
What are some signs that a pt. has fetal alcohol syndrome?
- smoothe philtrum
- widespread eyes
- inner epicanthal folds
- mild ptosis - Hirsute forhead
- short nose
- thin upper lip