17 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
anatomic snuff box, pain ... ED Management: Pain ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder Dislocation ... injuries: Axillary nerve ... #Anterior #Radiology ... #Orthopedics #Sports ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsal wrist, pain ... fracture, median nerve ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... Management: Simple, pain ... #Posterior #Radiology ... #Orthopedics #Sports ... #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder Dislocation ... Structural damage to nerves ... capsule or bone -> Pain ... signs #symptoms #msk ... #orthopedics #pathophysiology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Incontinence • Saddle Anesthesia ... damage to sacral nerves ... suspected, immediate MRI ... CaudaEquina #Syndrome #MSK ... #pathophysiology
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
anatomic snuffbox, pain ... ED Management: Pain ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
albumin-cytologic dissociation ... prominent cranial nerve ... Transverse myelitis: Pain ... cord lesion on MRI ... sensory level, MRI
US guided musculocutaneous nerve block for forearm laceration.  Short axis of needle and nerve are
musculocutaneous nerve ... Short axis of needle ... and nerve are labeled ... Clinical #Transverse #MSK ... #Anesthesia #Pain
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... • Weakness: Starts ... Hands or feet • Pain ... Albuminocytologic dissociation ... axonal form • MRI