17 results
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
with a left 6th nerve ... palsy Caused ... retraction #nystagmus #ocular ... physicalexam #clinical #video ... #neurology #ophthalmology
Physical exam findings of various ocular palsies; image courtesy of the BMJ

R 3rd nerve palsy
R 4th
palsy R 4th nerve ... palsy R 6th nerve ... palsy #Ocular ... #Diagnosis #Chart ... #Comparison
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Iniury • One-and-a-half ... Syndrome • Cavernous ... ophthalmology #neurology ... #differential #diagnosis ... #ocular
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
Ptosis is severe in comparison ... to Horner's syndrome ... medial rectus, and ... #Cranial #neurology ... #diagnosis
Horner's Syndrome
 • Anhidrosis: Diminished sweating of ipsilateral face and neck
 • Miosis: Loss of sympathetic
ipsilateral face and ... Ptosis is mild in comparison ... to oculomotor nerve ... palsy (levator ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... aracteristic "claw hand ... " ± Horner Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
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 ... palsy • Horner ... #Ptosis #neurology
Ramsay Hunt Syndrome (Herpes zoster oticus) wit Facial Nerve Palsy
Triad: 
 - Ipsilateral facial paralysis
 -
Ramsay Hunt Syndrome ... oticus) wit Facial Nerve ... Palsy Triad: ... canal/auricle, hard ... #video #neurology
Convergence-Retraction Nystagmus on Physical Exam

Convergence-retraction nystagmus: irregular, jerky nystagmus, associated with convergence and retraction of both
and retraction ... of Parinaud's syndrome ... mesencephalic syndrome ... PhysicalExam #clinical #ocular ... #video #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... acetate to help with ocular ... Orbital Apex Syndrome ... HZO #clinical #video ... #physicalexam #neurology