Evaluating Validity of Ultrasonography in Determining Distal Radius Fracture Reduction

after manipulation and reduction were performed by single emergency medicine specialist under Bier block regional anesthesia or procedural sedation-analgesia, The ultrasonography was performed by the single emergency department physician in a long axis both in a anterioposterior and lateral views in determining whether the distal and proximal distal to a fracture was in a straight line (less than 3 mm difference) or not?