17 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... extension • Possible ... #Dissociation #TerryThomas ... #Wrist #Scaphoid ... #XRay #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... extension • ... associated injuries: Carpal ... #Carpal #Radiology ... #XRay #Diagnosis
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 ... Triquetrum #Fracture #Wrist ... #XRay #Diagnosis
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 ... Horner Syndrome Wrist ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
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
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
hepatobiliary phase • Contrast ... Enhanced Ultrasound ... #Contrast #CT # ... MRI #POCUS #radiology ... #differential #diagnosis
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
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
vesicles • Allergic contact ... Lichen planus - Wrists ... extremities, flexor wrists ... • Xerosis - Extensor ... #differential #diagnosis
This 66M w h/o DM2, renal transplant presented with severe volar hand and wrist pain x
volar hand and wrist ... finger, what's the diagnosis ... to OR for I&D, carpal ... view of the volar wrist ... UAB_Sono #Clinical #POCUS