Pratt sign


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Pratt sign

(prat)
[Joseph H. Pratt, U.S. physician, 1872–1956]
Pain in the calf produced by squeezing or pressure on the gastrocnemius muscles. It is thought to be a classic indication of the presence of a deep venous thrombosis.
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Success was elusive and in 1953 Mr Pratt signed over all royalties from overseas sales for pounds 5,000.