11 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... diagnosis scapholunate dissociation ... perilunate or lunate dislocation ... associated fracture or dislocation ... #Scapholunate #Dissociation
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 ... #Perilunate #Dislocation ... #Wrist #Carpal
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Dislocation Interphalangeal ... the dislocation ... (if dorsal PIP dislocation ... (if volar PIP dislocation ... #Dislocation #IPJoint
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... injuries: Perilunate dislocation ... , distal radius ... Triquetrum #Fracture #Wrist ... Orthopedics #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
: Scapholunate dissociation ... , perilunate dislocation ... associated scapholunate dissociation ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... injury, acute carpal ... reduction using finger ... Distal #Radiology #XRay ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... dislocation overall ... onto outstretched hand ... triad = posterior dislocation ... MetroHealth_EM #Elbow #Dislocation
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
(wrists, metacarpal-phalangeals ... Swelling notable on Xray ... , esp carpal, MCP ... ulnar drift of fingers ... , radial wrist deviation
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... ) Finger: • Mexion ... Horner Syndrome Wrist ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
at an elbow x-ray ... distal radioulnar joint ... injury, elbow dislocation ... Elbow #Radiology #XRay ... #Orthopedics #MSK