Conditions / Syndrome

Angelman syndrome

info · Syndrome · ICD-10: Q93.51

A syndrome that is characterized by delayed development, intellectual disability, severe speech impairment, and problems with movement and balance.

Signs and symptoms

  • Ataxia
  • Motor delay
  • Happy demeanor
  • Severe intellectual disability
  • Absent speech
  • EEG abnormality
  • Delayed ability to walk
  • Global developmental delay
  • Secondary microcephaly
  • Seizure

Also known as: happy puppet syndrome; puppetlike syndrome