19 results
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
to the lateral extensor ... of extensor tendon ... to ulnar collateral ... #Radiology #Wrist ... #differential #diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
ulnar displacernent ... Hyperextension injury ... Dislocation #IPJoint #Radiology ... #XRay #Diagnosis ... #Management #Hand
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Extension ... of wrist & MCP ... Small muscles of hand ... Scissors #Nerve #Injury ... UpperExtremities #diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... : Hyperflexion injury ... tender DIP joint ... #XRay #Diagnosis ... #Management #Hand
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
, pain with wrist ... flexion and extension ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... , median nerve injury ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
ulnar deviates ... extensor pollicis ... brevis tendons. ... Tenosynovitis #clinical ... #video #physicalexam
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
the elbow to the hand ... ECU Subluxation diagnosed ... relevant body parts ... #subluxation #clinical ... #physicalexam #video
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... extension • Possible ... #XRay #Diagnosis ... #Orthopedics #Sports
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 ... spared in this injury ... Dermatomes #Myotomes #diagnosis