Chpt. 3 Immune and lymphatics, head and neck Flashcards
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