Cover the area with a wet cloth or bandage, then raise the area above the level of the heart, if possible.
Call your local emergency number (such as 911) or local hospital for further advice.
Crush injuries usually require emergency department evaluation, and surgery may be needed to fully correct and treat the problem.
Jacob L. Heller, MD, MHA, Emergency Medicine, Virginia Mason Medical Center, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.