• Michael Gottlieb and Karen Cosby.
• Department of Emergency Medicine, Cook County Hospital, Chicago, Illinois.
• J Emerg Med. 2015 Mar 1;48(3):310-2.

BackgroundHematoma blocks of the radius can provide excellent analgesia for simple distal radius fractures. However, the landmark-based approach can be difficult, and ultrasound guidance may improve success of the block and analgesia during reduction. There is limited literature describing the ultrasound-guided approach, and prior case descriptions have not involved comminuted fractures or concomitant ulnar styloid fractures.ObjectivesThis report reviews the technique of the ultrasound-guided hematoma block for distal radius fractures and introduces a second step, which can be used in the case of concomitant distal ulna fractures.DiscussionThe use of the ultrasound-guided hematoma block allows for direct visualization of needle advancement, as well as a simple approach to anesthetizing most distal radial and ulnar fractures.ConclusionThe ultrasound-guided hematoma block may be helpful in improving anesthesia of complicated distal radial and ulnar fractures, especially when landmark-based localization is difficult.Copyright © 2015 Elsevier Inc. All rights reserved.

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