7 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... • Due to injury ... #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
styloid fracture, median ... nerve injury ... #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
injuries: Fractures (medial ... Posterior #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
spared in this injury ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... #neurology #sensory ... #motor #arm #physicalexam
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
radiocapitellar lines), fat pads ... , elbow dislocation ... Elbow #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... , due to EDS and ... IPJoint #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Preoperative Risk Evaluation ... Medical history ... events or death (CARP ... perioperative medical ... stratification #diagnosis