Brugada syndrome; idiopathic ventricular fibrillation; sudden unexpected death syndrome

CCHS; congenital central alveolar hypoventilation; congenital central hypoventilation syndrome; idiopathic central alveolar hypoventilation; Ondine syndrome; Ondine's Curse; sleep-induced apnea

acute autoimmune neuropathy; acute idiopathic polyneuritis; acute idiopathic polyradiculoneuritis; acute inflammatory demyelinating polyneuropathy; acute inflammatory demyelinating polyradiculoneuropathy; acute inflammatory polyneuropathy; acute inflammatory polyradiculoneuropathy; AIDP; GBS; Guillain-Barré syndrome; Guillain-Barré-Strohl syndrome; infectious polyneuritis; Landry-Guillain-Barré Syndrome; Landry's paralysis; LGBS

idiopathic autism; primary autism

idiopathic parkinsonism; paralysis agitans; Parkinson disease; Parkinson's; Parkinson's disease; PD; primary parkinsonism; shaking palsy

Still's disease; systemic juvenile idiopathic arthritis; systemic-onset juvenile chronic arthritis; systemic-onset juvenile rheumatoid arthritis

JCA; JIA; JRA; juvenile chronic arthritis; juvenile idiopathic arthritis; juvenile rheumatoid arthritis

idiopathic generalised epilepsies; idiopathic generalised epilepsy; IGE; PGE; primary generalised epilepsy

polyarticular onset juvenile idiopathic arthritis; polyarticular onset juvenile rheumatoid arthritis

idiopathic environmental intolerance; IEI