intellectual developmental disorder with cardiac arrhythmia (DOID:0081008)
Alliance: disease page
Synonyms: GNB5-related intellectual disability-cardiac arrhythmia syndrome
Alt IDs: OMIM:617173, ORDO:542306
Definition: A syndrome that is characterized by delayed psychomotor development, severe intellectual disability with poor or absent speech, and bradycardia and/or cardiac sinus arrhythmias and that has_material_basis_in homozygous or compound heterozygous mutation in the GNB5 gene on chromosome 15q21.