27 results
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... light reflex is ... Optic nerve* (main cause ... #Marcus #Gunn #Pupil ... #Defect #RAPD #neurology
Afferent Pupillary Defect

An afferent pupillary defect passing through its timeline. The pupil that does not react
Afferent Pupillary ... Defect An afferent pupillary ... The pupil that does ... the consensual reflex ... clinical #video #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
unilateral; • Slow pupillary ... Young females Differential ... dissociation • Other causes ... Anisocoria - same pupillary ... #PhysicalExam #neurology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Marcus Gunn's pupils ... reflex. ... regarding the cause ... #Defect #Neurology ... Clinical #Video #Pupils
Marcus-Gunn Pupil - Pupillary dilation in response to light on the left eye and a preserved
Marcus-Gunn Pupil ... - Pupillary dilation ... #Pupillary #reflex ... clinical #video #ocular ... #neurology #ophthalmology
Epileptic Pupillary Hippus on Physical Exam

Epileptic pupillary Hippus- spasmodic or rhythmic contraction of the pupil of
Epileptic Pupillary ... Exam Epileptic pupillary ... contraction of the pupil ... clinical #video #neurology ... #ocular #pupils
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... - Differential ... no neurological cause ... #differential # ... diagnosis #neurology
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
Bilateral tonic pupils ... Absence of bilateral pupillary ... #tonic #pupils # ... syndrome #bilateral #reflex ... #neurology #absent
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Causes of Hyporeflexia ... Deep coma (any cause ... #differential # ... diagnosis #table #neurology
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Gastro-Esophageal Reflux ... • Esophageal Spasm ... • Trauma - Neurologic ... Noncardiac #Cardiology #Differential