11 results
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... Pupillary Defect (RAPD ... pupillary light reflex ... #Pupil #Relative ... neurology
Instructions on how to perform the swinging light test to detect a relative afferent pupillary defect.

http://www.cmaj.ca/content/early/2015/01/05/cmaj.140685

Normal
Both pupils should ... Both pupils remain ... Instead of pupil ... #Diagnosis #PhysicalExam ... #Ophthalmology
Afferent Pupillary Defect

An afferent pupillary defect passing through its timeline. The pupil that does not react
The pupil that does ... the consensual reflex ... clinical #video #neurology ... #ophthalmology ... #PhysicalExam #RAPD
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Marcus Gunn's pupils ... the pupillary reflex ... very sensitive diagnostic ... Pupillary #Defect #Neurology ... Clinical #Video #Pupils
Marcus-Gunn Pupil - Pupillary dilation in response to light on the left eye and a preserved
Marcus-Gunn Pupil ... #Pupil #Pupillary ... #reflex #clinical ... video #ocular #neurology ... #ophthalmology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... cranial nerve) Palsy ... lntracranial hemorrhage, SAH ... Fixed #Dilated #Pupil ... #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... mildly dilated pupil ... : • CN Ill Palsy ... causes of tonic pupil ... #ophthalmology
Optic Neuritis - Diagnosis and Management
 • Epidemiology: Female (75%), 18-50 years,
caucasian
 • Symptoms: Moderate visual
Optic Neuritis - Diagnosis ... Unilateral • Signs: RAPD ... (Marcus Gunn pupil ... Optic #Neuritis #Diagnosis ... #rheumatology #ophthalmology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Associated With Different ... poorly reactive pupils ... glaucoma • Enlarged pupil ... with third nerve palsy ... #differential #diagnosis
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... ptosis with CN Ill palsy ... • Neurologic ... large/unreactive pupil ... Algorithm #Causes #Ophthalmology