16 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... lateral epicondyle > radial ... + radial head fracture ... • ED Management ... XRay #Diagnosis #Management
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
injuries: distal radius ... fracture, scaphoid ... fracture, perilunate ... • ED Management ... XRay #Diagnosis #Management
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... Radial head fractures ... injury, elbow dislocation ... • ED Management ... XRay #Diagnosis #Management
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... injuries: Carpal fracture ... styloid fracture ... injury • ED Management ... XRay #Diagnosis #Management
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Triquetral Fracture ... injuries: Perilunate dislocation ... , distal radius ... • ED Management ... XRay #Diagnosis #Management
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... head dislocation ... and missing the radial ... head dislocation ... • Nonoperative managernent
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
no light-near dissociation ... • Other causes ... • Physiologic Anisocoria ... @neudrawlogy #Adies ... #Pupil #PhysicalExam
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
associated avulsion fractures ... ligaments (prevent radial ... tendon) • ED Management ... a concomitant fracture ... XRay #Diagnosis #Management
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
In this case, the ... than 3mm in this case ... with light near dissociation ... anterior_seg_rocks #Adies ... ophthalmology #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... palsy" is a common cause ... Anterior Shoulder Dislocation ... - May cause axillary ... sensory #motor #arm #physicalexam