Rare diseases · Sign or symptom
Aortic valve prolapse
HP:0025578
What it means
Aortic valve prolapse can be diagnosed when either or both of the right or non-coronary aortic valve cusps (seen in the cross sectional echocardiographic long axis view) show backward bowing towards the left ventricle beyond a line joining the points of attachment of the aortic valve leaflets to the annulus.
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
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
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.