11 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
(Abducens) Nerve ... palsyMedial ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Nerve • Ptosis ... inferior rectus, medial ... @neudrawlogy #CNIII ... #neurology #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... axillary nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Framework If Altered Mental ... Oculomotor (3rd cranial nerve ... ) Palsy: • Brain ... no neurological cause ... #neurology
Left oculomotor paralysis probably of ischemic cause.

via @neurologiabr

#oculomotor #nerve #paralysis #palsy #CNIII #CN3 #clinical #video #neurology
#oculomotor #nerve ... #paralysis #palsy ... #video #neurology ... #ophthalmology ... #PhysicalExam
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
females Differential Diagnosis ... : • CN Ill Palsy ... dissociation • Other causes ... #PhysicalExam # ... neurology #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... • Neurologic ... large/unreactive pupil ... depress when looking medially ... #Ophthalmology
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
suggest oculomotor nerve ... palsy. ... clinical #video #ophthalmology ... #physicalexam # ... neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
a non-reactive pupil ... , abducens nerve ... clinical #video #ophthalmology ... #physicalexam # ... neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
formation) and MLF (medial ... the hospital, diagnosed ... Half #Syndrome #PhysicalExam ... clinical #video #ophthalmology ... #neurology