Peabody's sign is a clinical sign which may be found in patients with deep vein thrombosis (DVT). The sign is positive when calf muscle spasm occurs on raising the affected leg with the foot extended. The sign is neither sensitive nor specific for the presence of DVT.
The sign was described by C.N. Peabody in 1964.
- van Beek, Edwin J. R.; Büller, Harry R.; Oudkerk, Matthijs (2009). Deep Vein Thrombosis and Pulmonary Embolism. John Wiley and Sons. p. 57. ISBN 978-0-470-51717-8.
- PEABODY CN (October 1964). "AN OBJECTIVE SIGN OF THROMBOPHLEBITIS". Angiology. 15: 434–5. doi:10.1177/000331976401501002. PMID 14229525. Retrieved 2012-03-01.
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