Rare diseases · Sign or symptom
Blood pressure substantially higher in arms than legs
HP:0020142
What it means
An abnormal blood pressure discrepancy between the upper and lower extremities with the blood pressure measured in the arms being much higher than the blood pressure measure in the legs. In healthy individuals, ankle systolic blood pressures are only slightly higher than the systolic blood pressure measured in the arm.
This feature can be observed in aortic coarctation.
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: Blood pressure substantially higher in upper than lower extremities · Increased arm-leg blood pressure gradient
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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.