A rare genetic syndromic intellectual disability characterised by developmental delay, hypotonia, speech delay, mild to moderate intellectual disability, abnormal behaviour (autistic, aggressive, hyperactive) and dysmorphic facial features, including synophrys or thick eyebrows, deep set eyes, bulbous nasal tip and full cheeks. Congenital heart and brain anomalies, visual and hearing impairment are also common. [from
SNOMEDCT_US]