11 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... and bilateral leg ... Commonly caused ... such as fibular fracture ... Myotomes #diagnosis #neurology
Beevor's Sign on Physical Exam

Beevor's sign is abnormal upward (cephalad) movement of the umbilicus with truncal
is abnormal upward ... usually reflects lower ... facioscapulohumeral muscular ... PhysicalExam #clinical #video ... #umbilicus #neurology
Gowers' Sign on Physical Exam

Caused by proximal muscle weakness typically seen in muscular dystrophy

#Gowers #Sign #PhysicalExam
Gowers' Sign on ... Physical Exam Caused ... #Sign #PhysicalExam ... #neurology #clinical ... #video #pediatrics
Hoover's Sign for Functional Lower Extremity Paralysis

Used to distinguish organic from functional leg hemiparesis.

Ask the patient
Functional Lower ... Extremity Paralysis ... In normal people ... hemiparesis #clinical #video ... #physicalexam #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
injury, often from vascular ... Mixed upper and lower ... saddle anesthesia. leg ... pathophysiology #signs ... #orthopedics #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
• Symptoms and signs ... compression by fractured ... Non-compressive Spinal Cord Causes ... , lower extremity ... disorders #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 ... lumbar stenosis • Vascular ... distinguishing feature ... differential #diagnosis #causes ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... 4) progressive muscular ... segment: Upper extremity ... , lower extremity ... Lateral #Sclerosis #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... arthralgia, arm/leg ... fluid (CSF) is abnormal ... tract, and often causes ... legs), cutaneous
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... Neurologic deficit ... rule out based on normal ... Neurologic injuries ... msk #clinical #video