14 results
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Axillary nerve injury ... neurovascular injury ... MH/CCF/CWRU EM Res ... #Anterior #Radiology ... #XRay #Diagnosis
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
, neuropraxia (anterior ... can't make A-OK sign ... ), ligamentous injury ... #Posterior #Radiology ... #XRay #Diagnosis
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
shoulder dislocation ... capsuloligamentous injury ... GAGL): "Reverse J sign ... shoulder #clinical #mri ... #clinical #Radiology
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
identified but anterior ... sail sign or posterior ... , elbow dislocation ... Fracture #Elbow #Radiology ... #XRay #Diagnosis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... injuries: Perilunate dislocation ... MH/CCF/CWRU EM Res ... #Carpal #Radiology ... #XRay #Diagnosis
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
repair Differential diagnosis ... Similar injury to ... lesion #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
sail sign or posterior ... can't make A-OK sign ... brachial artery injury ... Elbow #Humerus #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 - May ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam