26 results
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
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
of normal leg reflexes ... damage to sacral nerves ... suspected, immediate MRI ... #CaudaEquina #Syndrome ... #MSK #pathophysiology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... : ALS, Cervical ... injury, Sarcoid ... Weakness #Causes #differential ... #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
 •
compression of nerve ... Imaging studies: • MRI ... decompression #CaudaEquina ... #differential # ... diagnosis #causes #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... • Locked-in syndrome ... Awareness • Injury ... threat Cranial Nerves ... #PhysicalExam #neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
BEE Syndromes - ... neuropathy (LHON) plus MRI ... lesions and clinical ... #Syndromes #neurology ... noninflammatory #differential
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
The MRI findings ... condition can be ... some cases have also ... Ophthalmicus #HZO #clinical ... #physicalexam #neurology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical ... Findings Compression/injury ... gait, strength, reflexes ... MeralgiaParesthetica #MSK ... pathophysiology #differential
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... involved) - Tendon reflex ... in deep tendon reflexes ... #lesions #differential ... #diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
complete paralysis of all ... Guillain-Barre Clinical ... Decreased / Absent Reflexes ... axonal form • MRI ... management #treatment #neurology