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The Electric Shock Sign—An Indication of a Partial Digital Nerve Laceration

A Report of Three Cases

Amaro, Emilie J. MD1; Pottle, Thomas G. MD1; Lee, Donald H. MD1

doi: 10.2106/JBJS.CC.18.00427
Case Reports
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Case: Digital nerves injuries following penetrating injuries, lacerations, and blunt force trauma are common. This case series reports 3 acute cases of partial digital nerve lacerations where patients presented with a similar electric shock–like sensation, the “electric shock sign” radiating distally along the digital nerve distribution. The lancinating pain commonly occurs with active or passive finger extension. All 3 patients underwent operative repair of the digital nerve lacerations. With follow-up ranging between 4.5 months and 11 years, there was complete resolution of their pain.

Conclusions: The electric shock clinical sign can be an indicator of a partial digital nerve laceration.

1Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee

E-mail address for D.H. Lee: Donald.H.Lee@vumc.org

Investigation performed at Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee

Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSCC/A851).

Copyright © 2019 by The Journal of Bone and Joint Surgery, Incorporated
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