7 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... box, pain with wrist ... extension • Possible ... #TerryThomas #Wrist ... #Scaphoid #Carpal
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... On lateral wrist ... extension • ... associated injuries: Carpal ... #Wrist #Carpal
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... ulna, pain with wrist ... flexion and extension ... injuries: Perilunate dislocation ... Triquetrum #Fracture #Wrist
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... C7 (median) • Extension ... Horner Syndrome Wrist ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation
Example of 4th wrist extensor compartment tenosynovitis, note marked synovial hypertrophy and effusion in the tendon
Example of 4th wrist ... extensor compartment ... mskultrasound #wrist ... #extensor #tenosynovitis ... #msk #pocus
Spontaneous Echo Contrast ("Smoke") on IVC POCUS

Sagittal view of IVC returning blood to RA caudal —>
Spontaneous Echo Contrast ... Smoke") on IVC POCUS ... returning blood to RA caudal ... #Smoke #IVC #POCUS ... #clinical #ultrasound
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... subluxation The Extensor ... Carpi Ulnaris ( ... tendon, MRI or ultrasound ... #Carpi #Ulnaris