18 results
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
Tenderness to lateral ... II-IV, pending orthopedic ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
is the nerve of elbow ... the back of the arm ... and elbow joints ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
/lateral epicondyle ... > radial head > ... Posterior long arm ... Posterior #Radiology #XRay ... #Diagnosis #Management
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... Complications are ... duck sign" on lateral ... dislocation, distal radius ... #Diagnosis #Management
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
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
C6 Dorsal Thumb Wrist ... Middle Finger Elbow ... Hamstring Reflex S1 Lateral ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... ), compartment syndrome ... Posterior long arm ... #Diagnosis #Management ... #Orthopedics #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... ), compartment syndrome ... Posterior long arm ... Ulnar #Radiology #XRay ... #Diagnosis #Management
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... anterior horn gray ... #lesions #differential ... #diagnosis #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... Diagnosis: • ... #differential # ... diagnosis #causes ... #neurology