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Hill's sign
System: Heart & Circulation Signs · All heart & circulation signs
What it is — and how it is elicited
The systolic blood pressure measured in the leg exceeds that in the arm by an abnormally large amount (more than about 20 mmHg).
What a positive finding suggests
Associated with significant aortic regurgitation; the larger the difference, the more severe the leak tends to be.
◈ Behind the name
Sir Leonard Erskine Hill (1866–1952), British physiologist.
Related signs — Heart & Circulation Signs
Browse the H section of the A–Z list or return to the Clinical Signs hub.
Please note: This page is an educational reference about clinical examination signs. A clinical sign supports — and never replaces — a full clinical evaluation, examination and appropriate testing. A sign being present does not by itself prove a diagnosis, and an absent sign does not rule one out. If you have symptoms that worry you, see a health professional.