Congenital long QT syndrome

Caring for someone with this diagnosis? Eleplan keeps diagnoses, medications, documents and every specialist in one plan.

Start free with Eleplan

Congenital long QT syndrome

ORPHA:768Clinical group

Also called Congenital LQTS

What it is

A rare group of genetic, cardiac rhythm diseases characterized by a prolongation of the QT interval at basal electrocardiography (ECG) and by a high risk of life-threatening arrhythmias.

Key facts

Age of onset
Adolescent, Adult, Childhood
Inheritance
Autosomal dominant, Autosomal recessive
Classified as
Clinical group

Genes reported in subtypes

KCNE1KCNQ1

Orphanet records these genes on 1 more specific entry under this disorder, not on this entry itself:

A well-studied disease is usually split into subtypes, and the gene is curated on whichever one the evidence belongs to. Open a subtype to see which gene goes with it.

Cross-references

MEDDRA 10057926MONDO 0019171MONDO 19171OMIM 192500OMIM 220400OMIM 600919OMIM 601005OMIM 603830OMIM 611818OMIM 611819OMIM 611820OMIM 612347OMIM 612955OMIM 613485OMIM 613688OMIM 613693OMIM 613695OMIM 616247OMIM 616249OMIM 618447UMLS C1141890

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

Powered by Eleplan

A rare diagnosis is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, so you are not retelling the same story to every new specialist. With Ellie, your AI care assistant, on top of it. Free to start.