41 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
6mm); • Light-near ... Young females Differential ... Diagnosis: • CN Ill Palsy ... #PhysicalExam #neurology ... #ophthalmology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... - Differential ... Oculomotor (3rd cranial nerve ... ) Palsy: • Brain ... diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... palsy • CN VI ... palsy • Medial ... #Localization #ophthalmology ... #neurology #differential
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Nerve • Ptosis ... innervation to pupil ... #Oculomotor #Nerve ... #Cranial #neurology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Neuropathies • Optic Nerve ... Syphilis (light-near ... #Defects #Differential ... Algorithm #Causes #Ophthalmology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
Argyll Robertson Pupil ... small (1-2mm) pupil ... - Light-near dissociation ... #neurology #diagnosis ... #ophthalmology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... Ulnar Nerve Palsy ... This tests for ... palsy, testing ... #video #neurology
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
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Facial Weakness - Differential ... (2% of facial nerve ... palsy) - Unilateral ... : Bell's Palsy ( ... Algorithm #Causes #neurology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... ) Where: Optic nerve ... due to MS How to test ... #Marcus #Gunn #Pupil ... #Defect #RAPD #neurology