10 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 ... onto outstretched hand ... #Perilunate #Dislocation
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
onto outstretched hand ... : Scapholunate dissociation ... , perilunate dislocation ... associated scapholunate dissociation ... MH/CCF/CWRU EM
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... common major joint dislocation ... onto outstretched hand ... triad = posterior dislocation ... MetroHealth_EM #Elbow #Dislocation
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
injuries: Perilunate dislocation ... , distal radius ... Splint: Volar • Ortho ... MH/CCF/CWRU EM ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
injury, elbow dislocation ... Splint: Sling • Ortho ... Type I, DC with ortho ... MH/CCF/CWRU EM ... #Orthopedics #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Interphalangeal Joint Dislocation ... the dislocation ... (if dorsal PIP dislocation ... (if volar PIP dislocation ... (if volar DIP dislocation
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
head dislocation ... head dislocation ... onto outstretched hand ... I or Ill) • Ortho ... MH/CCF/CWRU EM
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
T1 leading toc ... aracteristic "claw hand ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... Myotomes #diagnosis #neurology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... in the Spinal canal ... tears of gluteus medius ... Fracture • Hip dislocation ... signs #diagnosis #msk