week 4 - seizures Flashcards
What defines a seizure?
A seizure is an excessive and synchronous discharge of a group of cortical neurons leading to a clinically discernible event.
What is epilepsy?
Epilepsy is a chronic brain disorder characterized by recurrent, unprovoked seizures.
Name the three features that classify seizures.
1) Onset (where they start in the brain)
2) Awareness (affected or not)
3) Symptoms (such as movement involvement)
What are the types of seizures?
1) Focal Onset
2) Generalized Onset
3) Unknown Onset
What tests are used to evaluate seizure disorders?
CT, MRI, EEG, serum anticonvulsant levels, and bloodwork.
What is the purpose of antiseizure medications?
o depress abnormal neuronal discharges and prevent the spread of seizures.
What is Status Epilepticus?
Prolonged seizures lasting more than 5 minutes or repeated seizures over 30 minutes—a medical emergency.
What is important to monitor when a patient is on antiseizure medications?
Renal and liver function, signs of toxicity, and maintaining therapeutic serum levels.
What should you do if a patient has a seizure?
Stay with them, protect their head, loosen clothing, do not restrain them, and turn them to the side if possible.
What safety measures should be taken for a patient at risk for seizures?
Oxygen and suction equipment, padded side rails, and a patent airway.
What are the four stages of a seizure?
1) Prodromal
2) Aura
3) Ictus
4) Postictal
What are key points to include in patient education for those on antiseizure medications?
Take medications as prescribed, avoid alcohol, wear a medical alert bracelet, and maintain good oral hygiene.
What are the four stages of seizures?
Prodromal, Aura, Ictus, Postictal.
What nursing interventions can support a patient with epilepsy?
Educate on safety, medication adherence, and strategies for stress management.
What factors can trigger seizures?
Sleep deprivation, stress, hormonal changes, certain foods, and noncompliance with medication.