7 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... injury, often from vascular ... Primarily Upper Extremity ... signs #symptoms #msk ... #orthopedics #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda ... Equina Syndrome ... Neuropathy - Foot drop ... stopping walking (vascular ... Myotomes #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
 •
Cauda Equina Syndrome ... spine • MCC- acute ... lumbar stenosis • Vascular ... • Provocative Tests ... diagnosis #causes #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Sciatica • Tarsal tunnel ... Herpes zoster - HIV ... Immobilization) • Acute ... pain/swelling - Fever ... #msk #physicalexam
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Pain reported at level ... Lower roots -> Cauda ... Vascular/Blockage ... MCTD, Sjogren syndrome ... disorders #diagnosis #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
(GBS) Acute autoimmune ... paralysis of all extremity ... and sensitive tests ... nerve roots and cauda ... diagnosis #management #neurology