32 results
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
Visible deformity, Tender ... Visible deformity, Tender ... radius #fracture #radiology ... #msk #orthopedics ... #diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Disposition: Pending orthopedic ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... Discharge with orthopedic ... #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
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 ... Scaphoid #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Achilles Tendon Rupture - Pathogenesis and clinical findings
 • The Achilles tendon is 15cm long in
Achilles Tendon ... etiology Signs/Symptoms ... TendonRupture #diagnosis ... #signs #symptoms ... pathophysiology #msk #orthopedics
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
ulnar deviates the wrist ... reproduction of patient's symptoms ... pollicis brevis tendons ... #physicalexam #sports ... #msk #orthopedics
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
terminal extensor tendon ... Exam: Swollen and tender ... Discharge with orthpedic ... Mallet #Finger #Radiology ... #XRay #Diagnosis
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Bone #Fractures #wrist ... #frequency #radiology ... #msk #orthopedics ... #diagnosis
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
strength of muscle, tendon ... nerves, muscles, tendons ... #Dislocation #Diagnosis ... #signs #symptoms ... #msk #orthopedics
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
band of extensor tendon ... Fractures #XRay #Radiology ... #Wrist #differential ... #diagnosis