15 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... bones should be ... onto outstretched hand ... Tenderness to anatomic ... #Radiology #XRay
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... fracture, median nerve ... #Wrist #Carpal ... #Radiology #XRay ... #Diagnosis #Management
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... , pain with wrist ... injuries: Perilunate dislocation ... distal radius or ulna ... #XRay #Diagnosis
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... - Ulnar Nerve Injury ... #Anatomy #Differential ... #Diagnosis #MSK ... #Orthopedics
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
tenderness to the anatomic ... onto outstretched hand ... Tenderness to anatomic ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Carpal Tunnel Syndrome ... Dislocation - May ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
injuries: Axillary nerve ... procedural sedation and ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... onto outstretched hand ... posterior interosseous nerve ... #Radiology #XRay ... #Diagnosis #Management
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... onto outstretched hand ... anterior interosseous nerve ... Posterior #Radiology #XRay ... #Diagnosis #Management
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... on axillary x-ray ... Structural damage to nerves ... #Dislocation #Diagnosis ... symptoms #msk #orthopedics