9 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... Thumb spica • Ortho ... MH/CCF/CWRU EM ... #Radiology #XRay ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Sugar tong • Ortho ... MH/CCF/CWRU EM ... #Wrist #Carpal ... #Radiology #XRay ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... injuries: Perilunate dislocation ... Splint: Volar • Ortho ... MH/CCF/CWRU EM ... Orthopedics #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
Thumb spica • Ortho ... MH/CCF/CWRU EM ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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variable gross wrist ... injury, acute carpal ... tunnel syndrome ... MH/CCF/CWRU EM ... #Orthopedics #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
tendon), mallet finger ... splint • Ortho ... MH/CCF/CWRU EM ... IPJoint #Radiology #XRay ... #Orthopedics #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... PIP joint • Ortho ... MH/CCF/CWRU EM ... #Radiology #XRay ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... T1 leading toc ... aracteristic "claw hand ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... ), compartment syndrome ... I or Ill) • Ortho ... MH/CCF/CWRU EM ... Ulnar #Radiology #XRay