Ch 1 Intro to peds Flashcards
What age is considered a pediatric pt?
Birth to 18 years
What age is considered premature?
<36 weeks gestation
What does NICU stand for?
Neonatal intensive care unit
Why is it so important we maintain hygiene in the NICU?
B/c premature babies are highly susceptible to infection
What 2 things create the CNS?
Brain + spinal cord
What covers the brain + spinal cord (CNS)?
The meninges (3 protective membranes)
What is the dura mater?
-Outermost layer of meninges (attaches to skull)
-Most durable + strongest
What is the arachnoid mater?
Middle layer of meninges b/w dura mater + pia mater
What is the pia mater?
-Inner layer of meninges
-Delicate
-Highly vascular
Purpose of CSF?
Surrounds brain + spinal cord as a cushion to prevent injury
Where does CSF exist?
In subarachnoid space (b/w pia + arachnoid mater) + in ventricular system
What is the only main bone in the pediatric skull that is not paired?
Occipital bone
Where is the frontal suture?
Divides the two halves of the frontal bone
Where is the coronal suture?
Separates frontal + parietal bones
Where is the sagittal suture?
B/w the 2 parietal bones
Where is the lambdoid suture?
Connects occipital bone with the parietal bones
Where is the squamous suture?
Connects the temporal and parietal bones
4 main bones of pediatric skull?
-Frontal (forehead)
-Parietal (mid head)
-Occipital (back head)
-Temporal (behind ears)
What is another name for the anterior fontanelle?
Bregma
What is the anterior fontanelle?
Junction of coronal, sagittal + frontal sutures (main scanning window)
When does the anterior fontanelle close?
9-15 months
What is the posterior fontanelle?
Junction of lambdoid + sagittal sutures
What is the mastoid fontanelle?
Junction of squamosal, lamboidal + occipital sutures
What is the sphenoid fontanelle?
Junction of sphenoid, parietal, temporal + frontal bones
(think directly behind eyes)
What is sulcus + gyri?
Sulcus: shallow grooves throughout brain that produce gyri
Gyri: ridges b/w sulci
What are fissures?
Long narrow deep grooves that separate larger portions of the brain into lobes
What does the longitudinal (interhemispheric) fissure divide?
RT + LT lobes
What does the lateral (sylvian) fissure divide?
Frontal/parietal from temporal
What does the parieto-occipital fissure divide?
Occipital from parietal
What does the TRV fissure divide?
Cerebrum from cerebellum
What does the central fissure divide?
Frontal + parietal
The MCA is located in which fissure?
The lateral sylvian fissure