17 results
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Tumor • Motor Nerves ... : ALS, Cervical ... Mitochondrial myopathy, Muscular ... Weakness #Causes #differential ... #diagnosis #neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
often classified as ... Uncommon): - Vascular ... hemorrhage - Non-vascular ... Central #Causes #differential ... #diagnosis #neurology
Beevor's Sign on Physical Exam

Beevor's sign is abnormal upward (cephalad) movement of the umbilicus with truncal
usually reflects lower ... The sign been also ... facioscapulohumeral muscular ... PhysicalExam #clinical #video ... #umbilicus #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • Knee ... damage to peroneal nerve ... stopping walking (vascular ... Myotomes #diagnosis #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • CN VI palsy ... • Neurologic ... suggest a mass as ... Algorithm #Causes #Ophthalmology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... CN III palsy 2. ... palsy • Horner ... Oculopharyngeal muscular ... Diagnosis #ophthalmology
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Palsy as cause ... distinguished from lower ... radial nerve palsy ... #video #physicalexam ... #neurology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
can signal vascular ... risk high with vascular ... obtain x-rays, vascular ... Also, think of tibial ... msk #clinical #video
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 ... constipation Differential ... lumbar stenosis • Vascular ... Equina #syndrome #differential ... diagnosis #causes #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
4) progressive muscular ... Upper extremity, lower ... conditions listed in differential ... activity between nerve ... Lateral #Sclerosis #neurology