94 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
• Light-near dissociaton ... abnormal extraocular movements ... no light-near dissociation ... • Other causes ... #PhysicalExam #neurology
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 ... Argyll #Robertson #Pupil ... #neurology #diagnosis
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Relative Afferent Pupil ... Neuropathy Constricted Pupils ... Syphilis (light-near dissociation ... Isocoria #Pupillary #Pupils ... Diagnosis #Algorithm #Causes
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
Adie's Pupil on ... i.e., light-near dissociation ... It is caused by ... infection which causes ... ophthalmology #neurology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... Optic nerve* (main cause ... Retina, Macula Main Association ... #Marcus #Gunn #Pupil ... #Defect #RAPD #neurology
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
In this case, the ... than 3mm in this case ... with light near dissociation ... rare bilateral cases ... #physicalexam #neurology
Causes of Dizziness - Vertigo and Lightheadedness - Differential Diagnosis Algorithm
 • True Vertigo - Illusion
Causes of Dizziness ... Illusion of Rotary Movement ... Vertigo #Dizzy #Neurology ... Diagnosis #Algorithm #Causes
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... no neurological cause ... Fixed #Dilated #Pupil ... differential #diagnosis #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
• Light-near dissociation ... (tectal pupils) ... Parinauds #syndrome #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Localizing Extraocular Movement ... Skew Deviation Casey ... #Extraocular #Movement ... ophthalmology #neurology