Patients with high-energy extremity trauma will undergo imaging with an EIT device in the Emergency Department, Operating Room, Orthopaedic Clinic, and In-patient hospital rooms. The EIT device is an electrical impedance tomography system.

Inclusion Criteria:

• Age 18 years or older
• High energy closed extremity fracture
• Provision of informed consent

Exclusion Criteria:

• Metatarsal fractures
• Injury to both lower extremities precluding contralateral imaging
• Presence of an implanted electronic device (e.g. pacemaker, vagal stimulator, deep brain stimulator) or electrodes or electrical wires.
• Currently pregnant, potentially pregnant, or lactating women