| Namespace | disease_ontology | Obsolete | false |
| description | A progressive familial heart block characterized by autosomal dominant inheritance of heart block that tends to develop along the lines of a sinus bradycardia with a left posterior hemiblock, presenting clinically as syncopal episodes, Stokes-Adams seizures, or sudden death when complete heart block supervenes that has_material_basis_in variation in the chromosome region 1q32. |
