42 results
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential Diagnosis ... Syphilis (light-near dissociation ... ) • Pharmacologic ... Midbrain (Parinaud's Syndrome ... #Algorithm #Causes
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
- Differential Diagnosis ... Measure pupil size ... - Horner's Syndrome ... CN III Palsy - Pharmacologic ... #Differential #Diagnosis
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
i.e., light-near dissociation ... It is caused by ... infection which causes ... PhysicalExam #clinical #video ... ophthalmology #neurology #syndrome
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... Holmes-Adie Syndrome ... females Differential Diagnosis ... no light-near dissociation ... • Other causes
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential Diagnosis ... Framework Causes ... response, Serotonin syndrome ... Miosis: Horner's syndrome ... #differential #diagnosis
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
- Differential Diagnosis ... - 10% cocaine: pupils ... pilocarpine • Pharmacologic ... #Differential #Diagnosis ... #Algorithm #Causes
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
• Serotonin Syndrome ... Tachycardia, Dilated pupils ... Dizziness - Nausea ... Pathophysiology #Pharmacology ... SideEffects #Psychiatry #Diagnosis
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... • Light-near dissociation ... (tectal pupils) ... neudrawlogy #Parinauds #syndrome ... #neurology #diagnosis
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
Vomiting Serotonin Syndrome ... Tachycardia, Dilated pupils ... gain Incr NE: Nausea ... Pathophysiology #Pharmacology ... SideEffects #Psychiatry #Diagnosis
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 ... anisocoria #clinical #video