Neonatal Advanced Assessment: Head, Neck, Eyes, Ears, Nose, Mouth Flashcards
(159 cards)
The shape of an newborn’s head usually relates to what?
Molding of the skull during delivery.
How does C-section head molding appear?
Head will appear well-rounded.
How does Breech head molding appear?
The head will appear egg shaped; molded posteriorly; prominent occiput.
How does prolonged “diagonal pressure” during labor effect the newborn’s head shape?
Causes it to appear “out of round” shape.
Asynclitic

What should you tell a parent who is worried about the shape of their newborn’s head after delivery?
You can reassure parents that molding associated with in-utero pressures or labor can be expected to self-correct within days to weeks.
When inspecting the skull during an assessment what do you assess?
Head bones, sutures (fibrous joints), and fontanels
Where is the Metopic Suture Located?
The metopic suture extends midline down the forehead inbetween the two frontal bones and intersects with the coronal suture.

Where is the anterior fontanel (AF)?
The anterior fontanel is located at the intersection of the metopic, saggital, and coronal sutures.

What is the standard size for the anterior fontanel (AF)?
Common 0.6-3.6 cm
African Americans; larger @ 1.4-4.7 cm
How do you measure fontanels?
Diagonally from BONE to BONE
What are fontanel measurements useful for?
Used only for a baseline for serial measurements.
If during an assessment you are unsure if a fontanel is flat or bulging, how should you adjust your assessment approach?
Re-assess fontanel with infant sitting in an upright position.
A sunken fontanel is a sign of what?
Severe dehydration; excessive decompression in an infant with a newly placed Ventricular drain or VP shunt.
What is a large anterior fontanel associated with?
Hypothyroidism
When does the anterior fontanel typically close?
6-24 months
What should you auscultate for when assessing an infant’s head and neck?
Which infants, is auscultation especially indicated for?
Auscultate over the fontanels and lateral skull bones for an audible bruit.
In the normal infant a bruit can be normal
However, In Infant’s with hemangiomas or heart failure, a bruit can be a sign of AV malformation.
Where is the saggital suture located?
The saggital suture is located midline between the two parietal bones extending to the posterior fontanel (PF) .

Where is the posterior fontanel (PF) formed?
The PF is formed at the intersection of the saggital suture and the lamboidal suture. Seperates the parietal bones from the occipital bones posteriolaterally.

What size if the Posterior Fontanel (PF) normally?
In caucasions it is usually about 0.5 cm
In African Americans it is usually about 0.7 cm
When does the Posterior Fontanel (PF) usually close?
The PF closes at approximately 2-3 months
Where is the “third” fontanel located?
Why does it occur?
What types of babies have this as a normal variant?
The “third” fontanel occurs along the saggital suture lines inbetween the AF and the PF.
This is a defect of the parietal bones and not a true fontanel.
Can be normal variant with Down syndrom or congenital hypothyroidsim.
Where is the Squamosal Suture located?
The Squamosal Suture extends above the ear to seperate the temporal bones from the parietal bones.
Usually only able to be palpated in babies that are premature or have hydrocephalus.

Where are the sphenoid and mastoid fontanels located?
The sphenoid fontanel seperates the Frontal bone from the Temporal bone. Forms at the coronal suture and the squamosal suture.
The Mastoid Fontanel separates the temporal bone from the occipital bone. Forms at the squamosal and lamboidal suture.

What is a normal amount of seperation between sutures?
Sutures may be seperated up to 1 cm.































