13 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... hyperextension -> Upper extremity ... Primarily Upper Extremity ... signs #symptoms #msk ... #orthopedics #neurology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
syndrome - Deafferentation ... Post-stroke • Spinal ... injury #Pain ... #Mechanisms #Neurology ... #Causes
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
deficiency etc) • Spinal ... Repetitive strain injury ... Trauma • Crush injury ... cyanosis - Cool extremity ... #msk #physicalexam
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... result in permanent neurologic ... Causes of spinal ... • Extrinsic Causes ... differential #diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
contralateral extremity ... findings Unilateral Spinal ... Brown-Sequard Syndrome ... sensory loss to pain ... #Hemiplegia #Neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Severe low back pain ... anesthesia • P - Pain ... - Emergency Causes ... differential #diagnosis #causes ... #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
continence • Pain ... Cord Causes: 1 ... MCTD, Sjogren syndrome ... disorders #diagnosis #neurology ... differential #algorithm
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... - Low back pain ... Commonly caused ... Myotomes #diagnosis #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal ... Demyelinating Disease (MS ... Phrenic nerve injury ... differential #diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... paralysis of all extremity ... Hands or feet • Pain ... of intrathecal spinal ... management #treatment #neurology