12 results
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 ... box, pain with wrist ... • ED Management ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
On lateral wrist ... , median nerve injury ... #Wrist #Carpal ... Radiology #XRay #Diagnosis ... #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... duck sign" on lateral ... injuries: Perilunate dislocation ... #XRay #Diagnosis ... #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Fractures (medial/lateral ... ), ligamentous injury ... brachial artery injury ... Radiology #XRay #Diagnosis ... #Sports #MSK
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Flexion Biceps ... C6 Dorsal Thumb Wrist ... Hamstring Reflex S1 Lateral ... #differential #diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
• ED Management ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Jerk - C7, C8 • Biceps ... spared in this injury ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
Tenderness to lateral ... , elbow dislocation ... fracture • ED Management ... Radiology #XRay #Diagnosis ... #MSK
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
and Hip) - Diagnosis ... and Management ... common), Anterior, Lateral ... of dash board injury ... #Hip #Diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
degrees of flexion; lateral ... Hyperextension injury ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK