24 results
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
ulnar displacernent ... degrees of flexion; lateral ... Hyperextension injury ... #IPJoint #Radiology ... #XRay #Diagnosis
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
to the lateral ... of extensor tendon ... to ulnar collateral ... #Wrist #differential ... #diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
On lateral wrist ... onto outstretched hand ... , median nerve injury ... #Radiology #XRay ... #Orthopedics #Sports
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... • Due to injury ... onto outstretched hand ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... injuries: Perilunate dislocation ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... Fractures (medial/lateral ... #Posterior #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
: Pathogenesis and ... clinical findings ... Avulsion or shearing injury ... from impact onto lateral ... Fractures #msk #diagnosis
Positive Varus Stress Test in LCL Injury

Interesting knee injury in a young basketball player who landed
rupture of the lateral ... complete rupture and ... #Positive #Clinical ... #Video #PhysicalExam ... #Sports #Orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... aracteristic "claw hand ... spared in this injury ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #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 ... Mallet #Finger #Radiology ... #XRay #Diagnosis