14 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... " on lateral x-ray ... "pooping duck sign ... " on lateral x-ray ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... commonly, 60%; also ... , median nerve injury ... • ED Management ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... • Due to injury ... ("Terry Thomas sign ... #Orthopedics #Sports ... #MSK
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Pathogenesis and clinical ... Avulsion or shearing injury ... from impact onto lateral ... hip Signs/Symptoms ... #symptoms #orthopedics
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical ... Findings Compression/injury ... of Lateral Femoral ... on palpation of lateral ... MeralgiaParesthetica #MSK
Sacroiliac Distraction Test

The examiner applies downward and lateral pressure to the bilateral ASIS , the effect
applies downward and lateral ... reproduces pain symptoms ... SIJoint #Joint #clinical ... physicalexam #hip #msk ... #sports #orthopedics
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RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... Tenderness to lateral ... fracture • ED Management ... II-IV, pending orthopedic ... #Orthopedics #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 ... ), ligamentous injury ... brachial artery injury ... #MSK
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Amyotrophic Lateral ... pathologic finding of lateral ... (3) primary lateral ... fasciculations Common Symptoms ... #Amyotrophic #Lateral
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Pathogenesis, clinical ... Acute loss of lateral ... Dislocation #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology