raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99101

Ectasia of the right atrial appendage

Synonyms: Dilatation of the right atrial appendage · Dilatation of the right atrial auricle · Ectasia of the right atrial auricle

Type
Morphological anomaly
Group
Disorder
Status
active

Ectasia of the right atrial appendage is a rare cardiac malformation characterized by the enlargement of the right auricle without any other associated cardiac lesions. It can be asymptomatic and diagnosed fortuitously, prenatally or during routine clinical examinations or it can present with heart murmur, palpitation, atrial arrhythmia, fatigue, dyspnea or respiratory distress.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enEctasia of the right atrial appendageDilatation of the right atrial appendage · Dilatation of the right atrial auricle · Ectasia of the right atrial auricle
frEctasie de l'auricule droiteDilatation de l'auricule droite
deEktasie des rechten Vorhofohres
esEctasia del apéndice auricular derecho
itEctasia dell'orecchietta cardiaca destra
nlEctasie van rechterhartoorDilatatie van rechterhartoor
ptEctasia do pavilão auricular direito
plPoszerzenie uszka prawego przedsionkaEktazja uszka prawego przedsionka · Poszerzenie prawego uszka przedsionka serca · Poszerzenie uszka prawego przedsionka
csRozšíření pravého srdečního ouškaDilatace pravého srdečního ouška · Dilatace pravého síňového ouška · Ektázie pravého síňového ouška
ukРозширення вушка правого передсердяДилатація правого передсердного отвору · Дилатація вушка правого передсердя · Ектазія вушка правого передсердя
zh右心房附件扩张右心耳扩张
trSağ atriyal uzantının ektazisiSağ atriyal auriküllerin ektazisi · Sağ atriyal auriküllerin genişlemesi · Sağ atriyal uzantının dilatasyonu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q20.8NTBTattributedvalidated
ICD-11LA8FNTBTattributedvalidated
MONDO0020432Evalidated
UMLSC4749283Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

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

7

Sources for this card