20 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Diagnosis: • CN Ill Palsy ... dissociation • Other causes ... • Physiologic Anisocoria ... #PhysicalExam #neurology ... #ophthalmology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... of Facial Nerve ... the commonest cause ... Loss of Corneal Reflex ... #Neurology #Signs
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
In this case, the ... suggest oculomotor nerve ... palsy. ... #video #ophthalmology ... #physicalexam #neurology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... Oculomotor (3rd cranial nerve ... ) Palsy: • Brain ... no neurological cause ... differential #diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... palsy • CN VI ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
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 ... clinical #video #neurology ... #ophthalmology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... to the radial nerve ... Saturday night palsy ... axillary nerve ... Myotomes #diagnosis #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... • Neurologic ... a mass as the cause ... large/unreactive pupil ... #Ophthalmology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... pupillary light reflex ... ) Where: Optic nerve ... * (main cause), ... #Defect #RAPD #neurology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
facial swelling and eyelid ... how the right pupil ... clinical #video #ophthalmology ... #physicalexam #neurology ... #Anisocoria