32 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 ... #Dissociation #TerryThomas ... #Wrist #Scaphoid
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... The proximal carpal ... deviation of the wrist ... extensors (ECU, ... ECRB) The distal carpal
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... , pain with wrist ... extension • ... associated injuries: Carpal ... #Carpal #Radiology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... Second most common carpal ... ulna, pain with wrist ... flexion and extension ... Triquetrum #Fracture #Wrist
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
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... C7 (median) • Extension ... C8 (median) • Extension ... Horner Syndrome Wrist ... Carpal Tunnel Syndrome
Lister's tubercle aka dorsal tubercle of the distal end of the radius.  It's a bony
dorsum of the wrist ... #Ultrasound #WristArthroscopy ... ExtensorPollicisLongus #Diagnosis #POCUS
Examination for ECU Tendinitis 

ECU tenosynovitis is the second most common type of tenosynovitis around the
tenosynovitis around the wrist ... PT_yuu_mizu628 #ecu #extensor ... #carpi #ulnaris
Thumb Tenosynovitis on POCUS

Erythema base of thumb.  Severe pain with extension. Nice abscess base of
Tenosynovitis on POCUS ... Severe pain with extension ... contiguous with EPL (extensor ... Tenosynovitis #Thumb #POCUS ... #Abscess #Ultrasound
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
MUSCULOSKELETAL ULTRASOUND ... Nerve: Ultrasound ... median nerve in the carpal ... appearance on ultrasound ... MUSCULOSKELETAL #MSK #POCUS