MedGen

A rare, genetic, neurologic disease characterized by primary hyperaldosteronism presenting with early-onset, severe hypertension, hypokalemia and neurological manifestations (including seizures, severe hypotonia, spasticity, cerebral palsy and profound developmental delay/intellectual disability). [from ORDO]

Patients with sinoatrial node dysfunction and deafness have congenital severe to profound deafness without vestibular dysfunction, associated with episodic syncope due to intermittent pronounced bradycardia (Baig et al., 2011). See Jervell and Lange-Nielsen syndrome (220400) for discussion of another deafness syndrome with impaired cardiac conduction. [from OMIM]