83 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... hand" ± Horner Syndrome ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... box, pain with wrist ... #TerryThomas #Wrist ... Radiology #XRay #Diagnosis ... #Management #Orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... injury • ED Management ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... fractures • ED Management ... Triquetrum #Fracture #Wrist ... #XRay #Diagnosis ... #Management #Orthopedics
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
commonly fractured carpal ... dislocation • ED Management ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis ... #Management #Orthopedics
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
and Management ... Polyarthralgia • Tenosynovitis ... Purulent Arthritis Syndrome ... joints, knees, wrists ... #Management #Microbiology
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
- Differential Diagnosis ... • Semicircular canal ... dehiscence syndrome ... • Cogan's syndrome ... #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 ... Flexor tenosynovitis ... to OR for I&D, carpal ... view of the volar wrist
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... injury, acute carpal ... tunnel syndrome ... injury) • ED Management ... Radiology #XRay #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 ... Flexor tenosynovitis ... to OR for I&D, carpal ... POCUS #Flexor #Tenosynovitis