24 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Pathogenesis and clinical ... Anterior Cord Syndrome ... • Central Cord Syndrome ... Posterior Cord Syndrome ... Brown-Sequard Syndrome
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... by Nerve Root Levels ... Respiration None C5 Radial ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Guillain-Barre syndrome ... injury, Sarcoid ... Lambert Eaton Syndrome ... Weakness #Causes #differential ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... hand" ± Horner Syndrome ... nerve in the radial ... spared in this injury ... Carpal Tunnel Syndrome
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
BEE Syndromes - ... recessive—Usher syndrome ... lesions and clinical ... • Other • Syndromes ... #Syndromes #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... Brown-Séquard Syndrome ... Posterior Cord Syndrome ... Central Cord Syndrome ... (Ventral) Cord Syndrome
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 ... Cauda Equina Syndrome ... - Cauda equina syndrome ... of Cauda Equina Syndrome ... Guillain-Barre syndrome
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... threat Cranial Nerves ... #PhysicalExam #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... of normal leg reflexes ... damage to sacral nerves ... #CaudaEquina #Syndrome ... #MSK #pathophysiology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... cardiomyopathy, Horner syndrome ... Miller Fisher Syndrome ... axonal form • MRI ... Guillain #Barre #Syndrome