Lincoln sign

Dr Mike Cadogan Lincoln sign Lincoln sign refers to forceful popliteal artery pulsation secondary to aortic regurgitation; exaggerated when the patient sits with legs crossed; and deemed positive if the elevated foot bobs up and down with each systolic contraction.
Source: Life in the Fast Lane - Category: Emergency Medicine Authors: Tags: Eponymictionary Aortic insufficiency Aortic regurgitation Lincoln sign Noah Brooks Source Type: blogs