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Seizures

NCLEX Review Guide: Seizures

Seizure Types and Classifications

Generalized Seizures

  • Tonic-clonic (Grand mal): Loss of consciousness with muscle rigidity (tonic phase) followed by jerking movements (clonic phase) lasting 1-3 minutes
  • Absence (Petit mal): Brief loss of consciousness (5-30 seconds) with blank staring, common in children
  • Myoclonic: Sudden, brief muscle jerks without loss of consciousness
  • Atonic (Drop attacks): Sudden loss of muscle tone causing falls

Focal (Partial) Seizures

  • Simple focal: Consciousness preserved, localized symptoms (motor, sensory, or autonomic)
  • Complex focal: Altered consciousness with automatisms (lip smacking, picking at clothes)

Key Points

  • Status epilepticus is a medical emergency lasting >5 minutes or recurrent seizures without recovery
  • Aura is a warning sign that may precede seizures in some patients

Nursing Management During Seizures

Immediate Interventions

  1. Stay with the patient and remain calm
  2. Protect from injury by clearing the area of hard objects
  3. Turn patient to side to maintain airway and prevent aspiration
  4. Loosen restrictive clothing around neck
  5. Time the seizure duration
  6. NEVER force objects into the mouth or restrain the patient

Clinical Scenario

A 25-year-old patient begins having a tonic-clonic seizure in the hospital room. The seizure has been ongoing for 3 minutes. Priority nursing actions include positioning the patient on their side, timing the seizure, and preparing for potential medication administration if seizure continues beyond 5 minutes.

Memory Aid: SAFE

  • Stay with patient
  • Airway protection (turn to side)
  • Free from harm (clear area)
  • Evaluate and document

Post-Seizure Care

Postictal Phase Management

  • Postictal period: Recovery phase characterized by confusion, drowsiness, and possible temporary weakness
  • Monitor vital signs and neurological status closely
  • Assess for injuries sustained during seizure (tongue biting, head trauma)
  • Provide reassurance and reorient patient as consciousness returns
  • Document seizure characteristics: onset time, duration, body parts involved, and postictal symptoms

Key Points

  • Patients may be confused and disoriented for 30 minutes to several hours post-seizure
  • Check blood glucose level as hypoglycemia can mimic seizure activity

Antiepileptic Medications

Common AEDs and Nursing Considerations

Medication Key Nursing Points Important Side Effects
Phenytoin (Dilantin) Monitor therapeutic levels (10-20 mcg/mL), give with food Gingival hyperplasia, hirsutism, ataxia
Carbamazepine (Tegretol) Monitor CBC for blood dyscrasias Aplastic anemia, Stevens-Johnson syndrome
Valproic acid (Depakote) Monitor liver function tests Hepatotoxicity, weight gain, hair loss

Critical Alert

Never abruptly discontinue antiepileptic drugs - this can precipitate status epilepticus. Always taper gradually under physician supervision.

Commonly Confused Concepts

Seizure vs. Syncope Seizure Syncope
Duration 1-3 minutes typically Seconds to 1 minute
Recovery Postictal confusion Rapid, clear recovery
Incontinence Common Rare
Tongue biting May occur Rare

Quick Differentiation Tip

Seizure = Sudden, Sustained, Symptomatic recovery
Syncope = Swift onset, Short duration, Speedy recovery

Patient Education and Safety

Lifestyle Modifications

  • Maintain consistent sleep schedule and avoid sleep deprivation
  • Limit alcohol consumption and avoid recreational drugs
  • Take medications as prescribed without missing doses
  • Identify and avoid personal seizure triggers (stress, flashing lights, certain foods)
  • Wear medical alert identification at all times

Safety Precautions

  • Driving restrictions vary by state - typically seizure-free for 6-12 months
  • Shower instead of bathing to reduce drowning risk
  • Avoid swimming alone or climbing to heights
  • Use protective equipment for sports activities

Key Points

  • Seizure precautions in hospital: padded side rails up, bed in lowest position, suction equipment available
  • Family education includes when to call 911: seizure >5 minutes, injury occurs, or difficulty breathing post-seizure

Quick Knowledge Check

Self-Assessment Questions

  • ☐ Can I identify the phases of a tonic-clonic seizure?
  • ☐ Do I know the priority nursing interventions during an active seizure?
  • ☐ Can I explain the difference between generalized and focal seizures?
  • ☐ Do I understand medication teaching for common AEDs?
  • ☐ Can I differentiate between seizure and syncope?

Common NCLEX Pitfalls

  • ❌ Never put anything in the patient's mouth during a seizure
  • ❌ Don't restrain the patient during seizure activity
  • ❌ Remember that absence seizures can be mistaken for daydreaming
  • ❌ Status epilepticus is >5 minutes, not >10 minutes

You've got this! Understanding seizure management is crucial for patient safety. Focus on the priority interventions and remember that staying calm and protecting the patient from injury are your main goals. Keep studying - every concept you master brings you closer to becoming an excellent nurse!

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