37 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsy • Medial ... Syndrome • Cavernous ... ophthalmology #neurology ... #differential # ... diagnosis #ocular
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... " ± Horner Syndrome ... nerve in the radial ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Examination Left hand ... sleeping as in this case ... PhysicalExam #clinical ... #video #orthopedics ... #msk #sports #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... - Differential ... Nerve Palsies ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... - Vestibular Nerve ... (CN VIII): Vestibular ... #differential # ... diagnosis #neurology
Ramsay Hunt Syndrome (Herpes zoster oticus) wit Facial Nerve Palsy
Triad: 
 - Ipsilateral facial paralysis
 -
Ramsay Hunt Syndrome ... canal/auricle, hard ... #neurology #clinical ... #video #physicalexam ... #CN7 #CNVII
Cranial Myokymia

Paroxysmal episodes of left facial (Orbicularis oculi) and left abducens spasms after remote radiation to
(Orbicularis oculi ... ) and left abducens ... Myokymia #clinical #video ... #neurology #physicalexam ... #CNVI #CN6 #Abducens
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... CN III palsy 2. ... nerve, and the ... eyelid: • Third nerve ... #Differential #
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
acetate to help with ocular ... other potential causes ... HZO #clinical #video ... ophthalmology #physicalexam ... #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... involvement: Intractable nausea ... disturbances, facial ... pain • Extra-CNS ... Manifestations #diagnosis #neurology