15 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... • Due to injury ... ("Terry Thomas sign ... MH/CCF/CWRU EM Res ... Scaphoid #Carpal #Radiology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
, median nerve injury ... Ortho consult: Yes ... MH/CCF/CWRU EM Res ... #Radiology #XRay ... #Diagnosis #Management
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... ), ligamentous injury ... Posterior long arm ... #Posterior #Radiology ... #XRay #Diagnosis
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
rotated, extended arm ... Axillary nerve injury ... MH/CCF/CWRU EM Res ... #Anterior #Radiology ... #XRay #Diagnosis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... injuries: Perilunate dislocation ... MH/CCF/CWRU EM Res ... #Carpal #Radiology ... #XRay #Diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
head fractures are ... anterior sail sign ... , elbow dislocation ... Fracture #Elbow #Radiology ... #XRay #Diagnosis
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... syndrome, ligamentous injury ... Posterior long arm ... Forearm #Ulnar #Radiology ... #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
spared in this injury ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
fractures that are ... MH/CCF/CWRU EM Res ... Scaphoid #Fracture #Wrist ... #Carpal #Radiology ... #XRay #Diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
• PIP joints are ... Hyperextension injury ... MH/CCF/CWRU EM Res ... #IPJoint #Radiology ... #XRay #Diagnosis