status epilepticus
Pronunciation: STAY-tus ep-ih-LEP-ti-kus
Prolonged seizure activity lasting more than 30 minutes or repeated seizures without return to baseline consciousness. Neurological emergency requiring immediate intervention.
Full Definition
Status epilepticus is defined as continuous seizure activity lasting 30 minutes or longer, or recurrent seizures without recovery of consciousness between episodes. Recent definitions have moved toward considering seizures lasting more than 5 minutes as requiring urgent treatment, as most seizures self-terminate within 2-3 minutes. In pediatric critical care, status epilepticus represents a true neurological emergency that can lead to permanent neurological damage, systemic complications, and death if not promptly treated. The condition can be convulsive (obvious motor manifestations) or non-convulsive (subtle or absent motor signs requiring EEG diagnosis). Treatment follows a stepwise algorithm beginning with benzodiazepines, progressing to anticonvulsants such as phenytoin or levetiracetam, and potentially requiring general anesthesia for refractory cases.
Usage
Usage note: Current practice emphasizes early intervention at 5 minutes rather than waiting 30 minutes.
In Context
- "The child presented in status epilepticus and required intubation for airway protection during treatment." — Pediatric emergency department note
- "Continuous EEG monitoring revealed non-convulsive status epilepticus following the clinical seizure cessation." — Pediatric neurology consultation