9 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial
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 ... Respiration None C5 Radial ... Middle Finger Elbow ... None T7-T12 See Dermatomes ... differential #diagnosis #Neurology
Radial Head Elbow Fracture with displaced Fat Pads
Intra-Articular Fracture of the Elbow with displaced fat pads
Radial Head Elbow ... intra-articular injury ... is that of the radial ... Pal @drdevrad #Radial ... clinical #radiology #msk
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... and missing the radial ... Exam: swollen elbow ... ), compartment syndrome ... , ligamentous injury
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
Supracondylar Elbow ... capitellum (age 1), radial ... brachial artery injury ... ), compartment syndrome ... #Orthopedics #MSK
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... declines > ALT) • AKI ... + myoglobin AKI ... associated free radicals ... #treatment #nephrology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... Awareness • Injury ... flexed at the elbow ... Casey Albin MD @ ... #PhysicalExam #neurology
Who to block and who not to block? Guidelines for Emergency Regional Anesthesiafor Trauma Orthopedic Injuries
Block
energy distal radius ... shatt fracture • Elbow ... document detailed neurologic ... fracture • Any injury ... neurovascular injury
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... Neurologic deficit ... Brachial Index (ABI ... Neurologic injuries ... #msk #clinical