13 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
to distal ulna, ... pain with wrist ... flexion and extension ... radius or ulna ... #XRay #Diagnosis
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... extended, and when ulnar ... extensors (ECU, ... ECRB) The distal ... orthopedics #clinical #video
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
to the lateral extensor ... central band of extensor ... thumb injury to ulnar ... #Radiology #Wrist ... #differential #diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
articulate with the distal ... articulates with the distal ... extension • ... #Carpal #Radiology ... #XRay #Diagnosis
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
radial-ulnar joint ... swollen forearm and wrist ... pronation and at wrist ... #Radiology #XRay ... #Diagnosis #Management
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 ... extension • Possible ... associated injuries: distal ... #Radiology #XRay
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... to the dorsal distal ... to the palmar distal ... IPJoint #Radiology #XRay ... #Diagnosis #Management
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
commonly fractured carpal ... not seen on x-ray ... scaphoid entering distally ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal radius ... variable gross wrist ... injury, acute carpal ... #Radiology #XRay ... #Diagnosis #Management