13 results
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
on Wrist X-Ray ... should raise suspicion ... negative a CT should ... prompt outpatient orthopedics ... neurovascular injury
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... on axillary x-ray ... and inferior to ... symptoms #msk #orthopedics ... #pathophysiology
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder ... Axillary nerve injury ... neurovascular injury ... #Radiology #XRay ... Diagnosis #Management #Orthopedics
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Axillary Nerve Shoulder ... Radial Nerve Wrist ... Hip Extension S1 Inferior ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... , median nerve injury ... Disposition: Pending orthopedic ... Carpal #Radiology #XRay
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Cord Syndrome -> Anterior ... clumsiness in hands ... Syndromes #diagnosis #pathophysiology ... symptoms #msk #orthopedics ... #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Pronation - C7, C8 Wrist ... spared in this injury ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... • Due to injury ... onto outstretched hand ... box, pain with wrist ... Carpal #Radiology #XRay
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
• Extension of wrist ... Small muscles of hand ... OK Sign - AIN (Anterior ... Scissors #Nerve #Injury ... UpperExtremities #diagnosis #neurology
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Orthopedic Essentials ... COLUMN CONCEPT Anterior ... spinal deformity or neurologic ... structural damage ... Classification #Orthopedics