21 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... "Terry Thomas" sign ... • Due to injury ... Scaphoid #Carpal #Radiology ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
On lateral wrist ... , median nerve injury ... #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Axillary nerve injury ... neurovascular injury ... #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... Acute loss of lateral ... #Dislocation #Diagnosis ... #signs #symptoms ... #msk #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
" on lateral x-ray ... injuries: Perilunate dislocation ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Fractures (medial/lateral ... can't make A-OK sign ... #Posterior #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
to the lateral ... Terry thomas sign ... Fractures #XRay #Radiology ... #Wrist #differential ... #diagnosis
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Posterior hip dislocation ... Avulsion or shearing injury ... from impact onto lateral ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
Hamate Fracture on Wrist ... with associated signs ... neurovascular injury ... Fracture #WristXRay #Radiology ... #MSK #Orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... spared in this injury ... Dislocation - May ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory