9 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... • Cauda Equina Syndrome ... stopping walking (vascular ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
injury, often from vascular ... bladder and rectal reflex ... #diagnosis #pathophysiology ... signs #symptoms #msk ... #orthopedics #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Motor Function Shoulder ... , T1 (median) Reflexes ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Roos' Test for Thoracic Outlet Syndrome

To perform the Roos' Test abduct the shoulders to 90 degrees,
Test abduct the shoulders ... to 90 degrees, flex ... Video via @open_michigan ... PhysicalExam #clinical #video ... #vascular #msk
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 roots ... spine • MCC- acute ... Differential Diagnosis ... lumbar stenosis • Vascular ... #causes #neurology
Roos' Test for Thoracic Outlet Syndrome

Roos' Test - abduct the shoulders to 90 degrees, flex the
Outlet Syndrome ... abduct the shoulders ... to 90 degrees, flex ... PhysicalExam #clinical #video ... #vascular #msk
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
- Summary Acute ... paralysis of all extremity ... Decreased / Absent Reflexes ... : Due to nerve root ... #treatment #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
spasticity • Lower roots ... Vascular/Blockage ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... #neurology #differential
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
(GBS) Acute autoimmune ... depressed deep tendon reflexes ... paralysis of all extremity ... intrathecal spinal nerve roots ... #neurology