Seizures, epilepsy and syncope Flashcards
(12 cards)
Common non-epilepsy causes of seizures?
- Substance intoxication / withdrawal
- Medications
- Fever / Infections
- Stroke
- Brain tumor
- Head trauma
- Electrolyte abnormalities (hyper or hypo)
- Hypoxia (drowning, strangulation, etc)
Non motor symptoms of seizures
Auras – abnormal sensations – tastes, smells, sights,
sounds. In some cases may precede a motor seizure, in
other cases, this is the seizure itself
* Emotions – Pt may have a rapidly altered emotional
state – may become agitated, anxious, may cry or laugh,
etc.
* Autonomic – Pt may have changes in BP, HR, may have
flushing, palpitations, vomiting, etc. due to sz activity in
nerves affecting the ANS
Ix for seizures?
EEG
Acute treatment for seizures?
Benzodiazepines are first line
(lorazepam / diazepam) therapy
to abort seizures
What is seizure epilepticus?
a medical emergency characterized by a prolonged seizure lasting five minutes or longer, or by a series of seizures where the person doesn’t regain consciousness between them. It requires immediate treatment to prevent brain damage and death
Treatment for seizure epilepticus
- Secure airway and give high flow O2.
- Give glucose if blood sugar is low
- Consider thiamine and magnesium if pt is known
alcoholic - Lorazepam 2 mg IV each minute up to 0.1 mg/kg.
Keep giving lorazepam! - Phenytoin 20 mg/kg IV at 50 mg / min (if lorazepam
did not work or to prevent future seizures) - Phenobarbital / General anesthesia (if lorazepam
and phenytoin didn’t work)
Epilepsy treatment?
- Valproic acid (Depakote)
- Lamotrigine (Lamictal)
- Levetiracetam (Keppra)
- Carbemazepine (Tegretol)
- Oxcarbazepine (Trileptal)
DVLA
Presentation of pyschogenic non epileptic seizures?
Diagnosis
Tx
Ix for syncope