38 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... #sensory #motor
Parkinson's Plus Syndromes - Atypical Parkinsonism
Main motor symptoms:
 • Tremors
 • Limb rigidity
 • Bradykinesia
Other symptoms
Parkinson's Plus Syndromes ... Parkinsonism Main motor ... Parkinson's plus syndrome ... system atrophy (MSA ... Parkinsonism #diagnosis #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Complete loss of motor ... injury, Preserved motor ... upper and lower motor ... signs #symptoms #msk ... #orthopedics #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Neuron and Motor ... Lambert-Eaton Myasthenic Syndrome ... Peripheral #Weakness #Neurology ... Diagnosis #Algorithm #Causes
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Trauma, Tumor • Motor ... Guillain-Barre syndrome ... differential #diagnosis #neurology
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
oticus (Ramsay Hunt syndrome ... • Semicircular canal ... dehiscence syndrome ... • Cogan's syndrome ... Amy Chung, MD, MSc
Marcus-Gunn Jaw Winking Ptosis

Marcus Gunn Jaw Winking Ptosis is the most common form of congenital neurogenic
Caused by connection ... between motor branches ... clinical #video #neurology ... #ophthalmology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... Narrowing of spinal canal ... Myotomes #diagnosis #neurology ... #sensory #motor
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Neuro-OphthaImoIogy ... Infection • MS ... NeuroOphthaImoIogy #Neurology ... Diagnosis #Anatomy #Causes ... #Ophthalmology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... (Contralateral motor ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology ... Diagnosis #Algorithm #Causes