neonatal seizure
Seizures occurring in newborns within the first 28 days of life, often presenting with subtle clinical manifestations.
Full Definition
Neonatal seizures are seizures occurring in the first 28 days of life and represent a neurological emergency requiring immediate evaluation and treatment. Unlike older children, neonatal seizures often present with subtle signs such as rhythmic movements, eye deviations, or apnea rather than generalized convulsions. Common causes include hypoxic-ischemic encephalopathy, intracranial hemorrhage, metabolic disorders, and infections. The immature brain's response to seizures differs significantly from older children, requiring specialized management approaches and careful consideration of underlying etiology.
Usage
Usage note: Emphasize subtle presentation; distinguish from normal neonatal movements and jitteriness.
In Context
- "The subtle eye movements were consistent with neonatal seizures rather than normal newborn behavior." — NICU consultation note
- "Continuous EEG monitoring was initiated to detect subclinical neonatal seizures." — Neurology consultation