Absence seizures eeg findings11/2/2023 The symptoms may include visual hallucinations, ictal blindness, orbital pain, headache, nausea, or vomiting. Seizures are characterized by visual symptoms and are the hallmark of this syndrome. Due to the atypical presentations, diagnosis is often delayed, and the seizures are often misdiagnosed as non-epileptic seizures, migraines, vertiginous attacks, sleep disorders, etc. This clinical condition is relatively difficult to diagnose and requires strong clinical suspicion and expertise. Children are normal between seizures, and sleep often helps in restoring the child to normal. Seizures are not always stereotypical, and autonomic features may be the only symptoms during a seizure. Seizures can often present as focal autonomic status epilepticus, as symptoms last more than 30 minutes. Generalized status epilepticus is extremely uncommon. While nausea and vomiting are the most common presentations, other presentations include pallor, mydriasis, thermoregulatory changes, cardiorespiratory changes, incontinence, hypersalivation, etc. Seizures are characterized as autonomic seizures and are the hallmark of this syndrome.
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