What is infantile myoclonic epilepsy

Patient's question:

Aunt just had a son, everyone was very happy, but this child is a bit abnormal, with particularly pale skin, muscle spasms, and sometimes feels dizzy. After examination, it was diagnosed as infantile myoclonic epilepsy.

Doctor's answer:

This disease usually occurs within the first year of life, with normal development before the onset. Approximately half of the cases have a positive family history of epilepsy or febrile seizures. The onset is characterized by generalized or unilateral febrile convulsive seizures, followed by myoclonic jerks and partial seizures. The attacks are often recurrent, with mild cases showing no loss of consciousness. Generally, they transform into febrile seizures within two months. After the age of two, there is mental and motor developmental delay, language disorders, and the appearance of ataxia, pyramidal signs, and interictal myoclonus. The electroencephalogram (EEG) may be normal in the early stages but can later show generalized spike-and-slow-wave discharges and multifocal spikes. The condition is sensitive to light stimulation. This type of seizure is unresponsive to any treatment, with a poor prognosis.

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