Hypsarrhythmia is an abnormal pattern that appears on an EEG test. This pattern shows up as a specific and recognizable pattern of tall, wide waves on top of the background. Share on Pinterest Getty ...

Progressive encephalopathy with edema, hypsarrhythmia, and optic nerve atrophy (PEHO) syndrome is a rare, apparently autosomal recessive condition in which characteristic dysmorphic features are ...

Congenital Zika virus (ZIKV) infection may have severe clinical consequences, including dysmorphic features, orthopedic abnormalities, ophthalmologic and auditory lesions, microcephaly, and ...

Infantile spasms represent a severe epileptic encephalopathy predominantly affecting early childhood, with West syndrome constituting a well‐defined clinical subset marked by a triad of spasms, ...

The patient, 2 1/3 years old, first came to our attention at age 16 months. He is the only child of young, healthy, nonconsanguineous parents and was born at term after a normal pregnancy. The ...