6 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all ... • Due to injury ... spacing between all ... #Radiology #XRay ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
• Mechanism: Fall ... associated injuries: Carpal ... , median nerve injury ... #Carpal #Radiology ... #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... • Mechanism: Fall ... MH/CCF/CWRU EM Res ... #Carpal #Radiology ... #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
• Mechanism: fall ... can't make A-OK sign ... artery injury ... Dislocation #Posterior #Radiology ... #Sports #MSK
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... The Extensor Carpi ... and locate all ... #Extensor #Carpi ... #Wrist #msk
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... stairs, brisk 4 mph walk ... Change in clinical ... Intraabdominal - Orthopedic ... events or death (CARP