13 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... dorsum of the hand ... MH/CCF/CWRU EM ... Radiology #XRay #Diagnosis ... #Orthopedics #Sports
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... posterior interosseous nerve ... Posterior long arm ... MH/CCF/CWRU EM ... Radiology #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... anterior interosseous nerve ... Posterior long arm ... MH/CCF/CWRU EM ... #Orthopedics #Sports
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... Leg Pain: • Fracture ... #diagnosis #lower ... #extremity #msk
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
rotated, extended arm ... injuries: Axillary nerve ... MH/CCF/CWRU EM ... Radiology #XRay #Diagnosis ... #Orthopedics #Sports
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... - Emergency Causes ... Diagnosis: • ... distinguishing feature ... #diagnosis #causes
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
paralysis of all extremity ... • Weakness: Starts ... Can begin in arms ... Absent Reflexes: Arms ... Paresthesias: Hands
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... Diagnosis Framework ... compression by fractured ... Non-compressive Spinal Cord Causes ... , lower extremity
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Microglial cells are ... - Causes progressive ... , lower extremity ... conditions listed in differential ... activity between nerve