16 results
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 ... • ED Management ... 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 ... • ED Management ... XRay #Diagnosis #Management ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... " on lateral x-ray ... " on lateral x-ray ... injuries: Perilunate dislocation ... 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 ... ), ligamentous injury ... brachial artery injury ... Orthopedics #Sports #MSK
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Mallet finger - injury ... to the lateral ... Terry thomas sign ... XRay #Radiology #Wrist ... #differential #
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 ... hip Signs/Symptoms ... FemoralHead #Fractures #msk
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Elbow Flexion Biceps ... C6 Dorsal Thumb Wrist ... Hamstring Reflex S1 Lateral ... NerveRoots #Levels #differential
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
tissue and no labral ... Anteroinferior labral ... Similar injury to ... anteroinferior labral ... Radiology #diagnosis #msk
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
degrees of flexion; lateral ... Hyperextension injury ... tendon) • ED Management ... XRay #Diagnosis #Management ... #Orthopedics #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... Tenderness to lateral ... , elbow dislocation ... fracture • ED Management ... #Orthopedics #MSK