23 results
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
Winking Syndrome ... to be caused by ... the trigeminal nerve ... #clinical #video ... #neurology #physicalexam
Marcus-Gunn Jaw Winking Ptosis

Marcus Gunn Jaw Winking Ptosis is the most common form of congenital neurogenic
Caused by connection ... of trigeminal nerve ... of oculomotor nerve ... Ptosis #clinical #video ... #neurology #ophthalmology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... axillary nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking ptosis is thought to be caused by abnormal innervation
Winking Syndrome ... thought to be caused ... the trigeminal nerve ... #clinical #video ... #neurology #physicalexam
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking ptosis is thought to be caused by abnormal innervation
Winking Syndrome ... thought to be caused ... the trigeminal nerve ... #clinical #video ... #neurology #physicalexam
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
- Vestibular Nerve ... Vestibulocochlear Nerve ... (CN VIII): Vestibular ... #differential #diagnosis ... #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... junction, cranial nerve ... eyelid: • Third nerve ... • Marcus Gunn jaw-winking ... #ophthalmology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
other potential causes ... fissure and optic canal ... HZO #clinical #video ... #ophthalmology ... #physicalexam #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... • CN VI palsy ... • Neurologic ... #Algorithm #Causes ... #Ophthalmology