Review Flashcards
Tonic-clonic seizure
Onset occurs without warning. Tonic Phase (10-30 seconds) where eyes roll, LOC, tonic contraction Clonic Phase (30-50 seconds) where there's violent andjerking movements and can have foaming of mouth Postictal State (30 minutes) where they remain semiconscious with impaired movements
Absence Seizure
Onset betwwen 5-8 years and ends by teenage. LOC lasting 5-10 seconds. Staring into space, minimal or no changes in behavior, and can immediately resume to activities
Myoclonic Seizure
Variety of seizure episodes, brief contractions of muscles, might not lose consciousness
Atonic/Akinetic Seizure
Onset between 2-5 years of age, muslce tone lost for a few seconds, period of confusion follows
West Syndrome
Rare disorder with onset of 3-7 months and doesn’t last beyond 18 months. Twice as common in boys, sudden breif contractions/spasms
Focal Resection
removal of an epileptogenic zone
Hemispherectomy
Removal of hemisphere
Corpus Callostomy
Separation of two hemispheres of brain
Status Epilepticus
Prolonged seizures activity that lasts longer than 30 minutes, requires immediate attention to prevent loss of brain function
Flexion
Extremities flexed inward to the chest. Means severe dysfunction of the cerebral cortex
Extension
Backward arching. Means severe dysfunction at level of midbrain
Normal ICP range
1 to 10 mmHG, greater than 15 requires further assessement
Assessment for Head Injury
Assess for clear fluid drainage from nose/ears. Assess for bleeding from ears (indicates basal skull fracture)
Nursing Care for Head Injury
Keep head midline with bed elevated to 30 degrees
Minimize oral suctioning and don’t do nasal suctioning
Instruct client to avoid coughing or blowing nose, can increase ICP
Epidural Hematoma
Bleeding between dura and skull
Short period od unconsciousness followed by normal period for several hours and then coma from accumulation of blood