Rare diseases · Sign or symptom
Subarterial ventricular septal defect
HP:0011681
What it means
A ventricular septal defect that lies beneath the semilunar valve(s) in the conal or outlet septum.
Rare diseases that can present with this2
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: Conal ventricular septal defect · Doubly committed ventricular septal defect · Infundibular ventricular septal defect · Supracristal ventricular septal defect · Type 1 ventricular septal defect
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Start free with EleplanThis 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.