Pratt's sign
Encyclopedia
Pratt's sign is an indication of femoral deep vein thrombosis
. It is seen as the presence of dilated pretibial veins in the affected leg, which remain dilated on raising the leg.
The sign was described by american
surgeon
Gerald H. Pratt of St. Vincent's Hospital
in 1949.
Deep vein thrombosis
Deep vein thrombosis is the formation of a blood clot in a deep vein. Deep vein thrombosis commonly affects the leg veins or the deep veins of the pelvis. Occasionally the veins of the arm are affected...
. It is seen as the presence of dilated pretibial veins in the affected leg, which remain dilated on raising the leg.
The sign was described by american
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
surgeon
Surgeon
In medicine, a surgeon is a specialist in surgery. Surgery is a broad category of invasive medical treatment that involves the cutting of a body, whether human or animal, for a specific reason such as the removal of diseased tissue or to repair a tear or breakage...
Gerald H. Pratt of St. Vincent's Hospital
Saint Vincent's Catholic Medical Center
Saint Vincent Catholic Medical Centers ' was a healthcare system, anchored by its flagship hospital, St. Vincent's Hospital Manhattan, locally referred to as "St. Vincent's". St. Vincent's was founded in 1849 and closed in 2010...
in 1949.