88 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... dissociation. ... perilunate or lunate dislocation ... associated fracture or dislocation ... #Scapholunate #Dissociation
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... - Light-near dissociation ... → "setting sun sign ... #diagnosis #pineal ... #neurology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder Dislocation ... Anterior Shoulder Dislocation ... view -> Dislocation ... Anterior #Shoulder #Dislocation ... #Diagnosis #signs
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... common major joint dislocation ... can't make A-OK sign ... triad = posterior dislocation ... MetroHealth_EM #Elbow #Dislocation
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder Dislocation ... common major joint dislocation ... #Shoulder #Dislocation ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
: - Irregular and ... - Light-near dissociation ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology ... #physicalexam
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
: Scapholunate dissociation ... , perilunate dislocation ... associated scapholunate dissociation ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... • Light-near dissociation ... "setting sun" sign ... Dorsal midbrain and ... #neurology #diagnosis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... injuries: Perilunate dislocation ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... In perilunate dislocation ... summary: • Dorsal dislocation ... onto outstretched hand ... #Perilunate #Dislocation