raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:436242

Hereditary atrial tachyarrhythmia-infra-Hisian cardiac conduction disease

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adult
Status
active

A rare genetic cardiac disease characterized by variably expressed atrial tachyarrhythmia (such as atrial flutter, paroxysmal or chronic atrial fibrillation, ectopic atrial tachycardia, or multifocal atrial tachycardia), infra-Hisian conduction system disease, and vulnerability to dilated cardiomyopathy. Age of onset ranges between childhood and adulthood.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHereditary atrial tachyarrhythmia-infra-Hisian cardiac conduction disease
frTrouble héréditaire de conduction cardiaque infra-Hisienne avec tachyarythmie atriale
deFamiliäre atriale Tachyarrhythmie mit infrahissärer Leitungsstörung
esEnfermedad de conducción cardíaca infrahisiana-taquiarritmia auricular hereditaria
itTachiaritmia atriale e difetto della conduzione cardiaca intra-hissiano familiare
nlHereditaire atriale tachyaritmie - infra-Hisiaanse hartgeleidingsziekteErfelijke atriale tachyaritmie met hartgeleidingsdefect in of onder bundel van His
ptTaquiarritmia auricular familiar-doença de condução cardíaca infra-Hisiana
plRodzinny częstoskurcz przedsionkowy-zaburzenia przewodzenia poniżej pęczka Hisa
csFamiliární atriální tachyarytmie a infrahisální porucha vedeníFamiliární síňová tachyarytmie a infrahisální porucha vedení
ukСімейна передсердна тахіаритмія - інфра-гізіанська хвороба серцевої провідності
zh家族性房性心律失常-下希氏束心脏传导性疾病
trAilesel atriyal taşiaritmi-infra-Hisian kardiyak iletim hastalığı

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616117Evalidated
ICD-10I45.8NTBTattributedvalidated
ICD-11BC63.YNTBTattributedvalidated
UMLSC5681182Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TNNI3KDisease-causing germline mutation(s) inAssessedHGNC:19661ENSG000001167836139321p31.1TNNI3 interacting kinase24925317[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families7 casesWorldwideCase(s)Validated24925317[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_24925317[PMID]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card