Rare diseases · Sign or symptom

Abnormal ventriculoarterial connection

HP:0011563

What it means

An abnormality of the circulatory connection between the ventricles and the pulmonary artery and aorta.

The cardiac malformations with abnormal ventriculo-arterial connections in situs solitus and atrio-ventricular concordance include the tetralogy of Fallot as well as different forms of double-outlet right ventricle and transposition of the great arteries.

Rare diseases that can present with this1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Abnormal ventriculo-arterial connection · Abnormal ventriculoarterial connexion

Abnormal ventriculoarterial connection

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.