17 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... , pain with wrist ... dislocation, distal radius ... or ulna fractures ... #XRay #Diagnosis
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... fracture, median nerve ... injury, acute carpal ... tunnel syndrome
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... ), compartment syndrome ... Posterior long arm ... #Radiology #XRay ... #Diagnosis #Management
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Vertigo Peripheral ... : • Attacks: Gradual ... No auditory symptoms ... Long symptom-free
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Stimulation of nerve ... Swelling notable on Xray ... boggy" joints, esp carpal ... Boutonniere's ulnar ... #diagnosis
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
nerve, anywhere ... neurons on the left are ... #Nerve #Paralysis ... #Bells #Palsy #Neurology ... #Diagnosis *
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... include a: • Neurologic ... • Neurologic ... nerves V and VII ... II ○ Susac’s syndrome
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... or the axon of peripheral ... than one after symptom ... sensitive tests ... #neurology
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 ... spine L1-L5 Symptoms ... • Provocative Tests ... absent anal wink test ... #causes #neurology