Peds Head Injuries and Neuro Flashcards
Crescent shape on CT is what type of injury?
Subdural hematoma
Subdural Hematoma results from tearing of what?
(U) VeinsArteries are possible as well
Subdural Hematoma results in separation of what?
Arachnoid from dura
Subdural Hematoma prognosis?
Poor
Elliptical shape on CT is what type of injury?
Epidural hematoma
Epidural hematoma results from tearing of what?
Arteries
Epidural hematoma is bleeding into what space?
b/w dura and skull
Epidural hematoma prognosis depends on what?
Mass effect, pushing against brain as the dura pulls away from skull
Injury to temporal or occipital region most commonly results in what kind of bleed?
Epidural hematoma
Slivers on CT is what type of injury?
Subarachnoid hematoma
Blood in CSF is indicative of what injury?
Subarachnoid hematoma
Concussion is?
Trauma-caused alteration in mental status, with or without LOC
Concussions mechanism of injury in the brain?
Shearing of axons
Seizure is?
Hyperdischarge of brain neurons causing involuntary behavior, motor, sensation
Epilepsy is?
2+ unprovoked seizures
Seizures can be provoked by?
Fever Head trauma Illness Metabolic imbalance Ingested toxin
Seizure classes?
Generalized: tonic-clonic affecting entire body
Focal: from specific area of cortex, +/- spread to entire brain
Seizure DDX?
Syncope (can have tonic-clonic)
Breath-holding
Tourette syndrome
Seizure tx: Tonic-Clonic Absence Partial Neonate Acute treatment
Valproic Acid (Depakote) Ethosuximide Carbamazepine Phenobarbital BZs
Bacterial Meningitis mechanism?
Replication in subarachnoid space
Bacterial Meningitis seen mostly in what population?
<6mo due to MMR, Hib and pneumo vaccines at 6mo
Bacterial Meningitis most C cause <2mo?
E coli or Klebsiella
Bacterial Meningitis most C cause 2-6mo?
S pneumo
Bacterial Meningitis most C cause 6mo-1yr?
Neisseria
then S pneumo