33 results
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Diagnosis: • ... lumbar stenosis • Vascular ... lower extremity weakness ... #differential # ... #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Sensory Changes - Differential ... Diagnosis Algorithm ... Neuropathy • Spinal ... Lambert-Eaton Myasthenic Syndrome ... #Neurology #Differential
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
injury, often from vascular ... Upper extremity weakness ... bladder and rectal reflex ... #diagnosis #pathophysiology ... #orthopedics #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... result in permanent neurologic ... in deep tendon reflexes ... #lesions #differential ... #diagnosis #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... • Spinal Cord: ... Guillain-Barre syndrome ... #Causes #differential ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... Vascular/Blockage ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... #neurology #differential
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... stroke, Acute spinal ... Testing #Causes #differential ... #diagnosis #table ... #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... • Cauda Equina Syndrome ... claudication and weakness ... stopping walking (vascular ... #neurology #sensory
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... Lesions of the spinal ... #Differential # ... Diagnosis #neurology
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Diagnosis Algorithm ... Gastro-Esophageal Reflux ... • Trauma - Neurologic ... Disorder • Spinal