Pratt's sign
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.[1][2]
Pratt's Sign is the application of pressure to the calf of the suspected leg to test for Deep Vein Thrombosis (DVT). A positive test will elicit pain upon applied pressure.
References
- ^ PRATT GH (1949). "An early sign of femoral thrombosis". J Am Med Assoc. 140 (5): 476. PMID 18129854.
{{cite journal}}:|access-date=requires|url=(help); Unknown parameter|month=ignored (help) - ^ PRATT GH (1950). "Classification and treatment of the varicose, post-thrombotic, and arterial venous problems". Bull N Y Acad Med. 26 (5): 306–28. PMC 1929948. PMID 15411581.
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