Seizure

Description

Health Care Concepts 3 (Intracranial Regulation) Mind Map on Seizure, created by Ilana Kovach on 17/11/2017.
Ilana Kovach
Mind Map by Ilana Kovach, updated more than 1 year ago
Ilana Kovach
Created by Ilana Kovach about 7 years ago
18
0

Resource summary

Seizure
  1. Diagnostics
    1. Electroencephalogram (EEG)- 24hrs

      Annotations:

      • may not have EEG abonoral 
      1. Comprehensive assessment
        1. Magnetoencephalography (greater sensitivity)
          1. CBC, metabolic chemistry
            1. Liver, kidney function , UA
              1. CT or MRI r/o structural Lesion
                1. Cerebral angiography, PET scan, MRA
                2. Clinical Manifestations
                  1. Generalized
                    1. Tonic clonic

                      Annotations:

                      • Tonic 10-20s, clonic 30-40s, excessive salivation, tongue/cheek  biting, Cyanosis- "fall to ground"  * post ictal - muscle soreness, fatigue, pt. may sleep for hours, may not feel normal for hours or days, Nop memory of seizure  
                      1. Preceded by aura!- this is generalized secondarily
                        1. Second generalized- Todd's Paralysis (focal weakness)
                        2. clonic Seizure

                          Annotations:

                          • begin with loss of consciouness and sudden loss of muscle tone, limb jerking, hyperventilation, eye roll back, froth at mouth  
                          1. Atonic
                            1. Sudden loss of muscle tone, consciousness returns by the time they hit the ground
                            2. Myclonic

                              Annotations:

                              • forceful enough to cause fall 
                              1. Excessive jerking
                              2. Tonic

                                Annotations:

                                • sudden increase tone, incontinence, breathing cessation, cyanosis, fixed dilated pupils, fall 
                                1. Absence Seizure
                                  1. Typical

                                    Annotations:

                                    • children rarely beyond adolescent, cease with maturity or develope into another type, percipitation of flashlights & hyperventilation 
                                    1. Staring spells "daydreaming"
                                      1. percipitated by hyperventilation & lights
                                        1. 3hz per second EEG spike & wave pattern
                                          1. often unnoticed, may be 100x a day, eyelid fluttering, automatisms
                                          2. Atypical
                                            1. Staring spells with other S&S
                                              1. Brief warning
                                                1. Peculiar behavior durning
                                                  1. EEG greater or less than 3Hz spike & wave pattern
                                                    1. confusion after
                                                      1. Longer lasting & loss of postural tone
                                                  2. Focal
                                                    1. Complex

                                                      Annotations:

                                                      • Display strange behaviors, Lip smacking, automatisms- repetitive movement, retrograde amnesia- not daydreaming that is how you differentiate 
                                                      1. Simple

                                                        Annotations:

                                                        • sudden and unexplaibable feelings, may hear,taste, feel or see things that are not real, psychic symptoms, recurrent muscle contractions, abnormal sensation of hallucinations, Tachycardia, flushing hypotension/hypertension
                                                      2. psychogenic

                                                        Annotations:

                                                        • Pseudoseizure, Use video EEG 
                                                        1. Febrile

                                                          Annotations:

                                                          • child transient disorder 
                                                          1. Antipyretics

                                                            Annotations:

                                                            • acetaminophen, ibuprofen 
                                                            1. NO tepid Baths
                                                              1. Protect from injury
                                                                1. rectal diazepam/diazempam gel (second seizure likely)
                                                                2. Phases of seizure

                                                                  Annotations:

                                                                  • (1) Prodromal - signs precede seizure (2) aural- sensory warning  (3) Ictal- active  (4) postictal- recovery after seizure (muscle aches, headache, confusion)
                                                                3. Interventions
                                                                  1. Pharmacotherapy
                                                                    1. Absence & Myoclonic

                                                                      Annotations:

                                                                      • ethosuzimide, divaleproex, clonazepam , 
                                                                      1. Tonic clonic & focal

                                                                        Annotations:

                                                                        • phenytoin- peeling rash, Hyperplasia of gums, hirutism in young adults common.  carbamezapine, phenobarbitol, divalproex, primid
                                                                        1. Broad spectrum

                                                                          Annotations:

                                                                          • gabapentin, lamotrigene, toprimate, tigabine, levitarectam, zonisamide 
                                                                          1. weened off seizure free 2-5yrs do not stop abruptly , fall rsisk , monitor dizzyness/drowsiness
                                                                            1. common side effeect- diplopia, drowsiness, ataxia, mental slowing
                                                                              1. dose missed wait for next dose
                                                                                1. Toxicity- nystagmus, hand- eye coordination, cognitive functionaing and general alertness
                                                                                2. Pregabalin
                                                                                  1. Status Epilepticus
                                                                                    1. #1 lorezapam & diazempam
                                                                                      1. follow by long acting
                                                                                        1. intubated, EEG continuous
                                                                                          1. children may need general anasthesia
                                                                                          2. OLDER age & drugs
                                                                                            1. monitor Liver function on phyentoin
                                                                                              1. Phenabarbitol, carbmazepine, primidone effects cognitiion
                                                                                                1. Safer for older

                                                                                                  Annotations:

                                                                                                  • gabapentin, levatricetam, oxcarbmazepine, lamotrigene 
                                                                                              2. Nursing management
                                                                                                1. Surgery

                                                                                                  Annotations:

                                                                                                  • (1) no satisfaction with drugs (2) define electroclinical syndrome- need to which point (focal)  (3) confirmed epilepsy 
                                                                                                  1. anterior temporal lobe resection
                                                                                                  2. Vagal nerve stimulation

                                                                                                    Annotations:

                                                                                                    • not candidate for surgery alternative
                                                                                                    1. Teach pt. to avoid MRIs, microwaves,
                                                                                                      1. adverse- cough, hoarseness, dyspnea & tingling at the neck
                                                                                                      2. Ketogenic diet/biogenic feedback

                                                                                                        Annotations:

                                                                                                        • high fat, low carbohydrate
                                                                                                        1. if the pt. has anticoagulant then teach to watch for bleeding
                                                                                                        2. Immediate interventions
                                                                                                          1. Padded side rails (do not restrain)
                                                                                                            1. protect from injury
                                                                                                              1. Maintain patent airway/ensure ABC's
                                                                                                                1. Establish IV
                                                                                                                  1. Loosen clothing
                                                                                                                2. Complications
                                                                                                                  1. Status Epilepticus & Tonic- clonic status elipeticus (most dangerous)

                                                                                                                    Annotations:

                                                                                                                    • EMERGENCY 
                                                                                                                    1. Lorazempam & Diazempam IV bolus
                                                                                                                    2. Subclinical Seizure

                                                                                                                      Annotations:

                                                                                                                      • sedation (without external signs) 
                                                                                                                      1. SUDP

                                                                                                                        Annotations:

                                                                                                                        • Sudden unexplainable death of epilepsy 
                                                                                                                        1. Psychologic - driving sanctions, eployment limitations, & social stigma
                                                                                                                          1. Severe injury/Death
                                                                                                                          2. Chapter 59 Chronic Neurologic Problem p. 1419
                                                                                                                            1. Epilepsy- reoccuring seizures (2 or more)
                                                                                                                              1. Causes
                                                                                                                                1. Metabolic distrubances

                                                                                                                                  Annotations:

                                                                                                                                  • acidosis, electrolyte imbalance, hypoglycemia, hypoxia, dehydration/water intoxication, alcohol & barbituate withdrawal 
                                                                                                                                  1. Extracranial seizures outside the brain

                                                                                                                                    Annotations:

                                                                                                                                    • hypertension, SLE, DM, septecemia 
                                                                                                                                    1. Generalized, focal, febrile
                                                                                                                                      1. Age- determines most common causes

                                                                                                                                        Annotations:

                                                                                                                                        • Age after 50 - tumor/stroke 20-30- structural lesion, vascular disease, brain tumor  2-20 birth injury, infection, trauma, genetic factors  6months or younger - birth injury, severe cognential birth defect involving the CNS, infection, inborn errors of metabolism 
                                                                                                                                        1. many are idiopathic cause unknown
                                                                                                                                          1. Gliolsis & change in function of astrocytes
                                                                                                                                            1. Genetic may be a factor
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