61 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... common carpal bone ... to distal ulna, pain ... ED Management: Pain ... #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Scaphoid - 50-80% • Triquetral ... drdevrad #Carpal #Bone ... frequency #radiology #msk ... #orthopedics #diagnosis
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain ... Intra-Articular - Bone ... e.g„ Myofascial Pain ... Intraarticular #MSK ... Diagnosis #Algorithm #Orthopedics
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
tensile strength of muscle ... and underlying bone ... -> Pain #Anterior ... signs #symptoms #msk ... #orthopedics #pathophysiology
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
of patella then ask ... the quadriceps muscle ... Positive sign: Pain ... Patellofemoral #msk ... #orthopedics #sports
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Tumours - See Bone ... Ricketts - Diffuse Pain ... /Proximal Muscle ... Fractures #Pathologic #MSK ... Diagnosis #Algorithm #Orthopedics
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
ULTRASOUND Bone ... On the transverse ... to tendons in a transverse ... MUSCULOSKELETAL #MSK ... #POCUS #Atlas #
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsal wrist, pain ... trapezium, capitate, triquetrum ... ED Management: Pain ... Disposition: Pending orthopedic ... #Sports #MSK
Myositis Ossificans in vastus intermedius on POCUS after trauma - Transverse View

Young male with MMA injury
intermedius on POCUS ... after trauma - Transverse ... with increased pain ... Robert Jones @RJonesSonoEM ... #muscle #msk #clinical
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
between all carpal bones ... between all carpal bones ... anatomic snuff box, pain ... ED Management: Pain ... #Sports #MSK