21 results
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Relative Afferent Pupil ... dissociation) • Pharmacologic ... • Botulism Pharmacologic ... #Defects #Differential
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Evaluation Flow Chart - Differential ... Measure pupil size ... noted, re-measure pupil ... CN III Palsy - Pharmacologic ... Evaluation #Algorithm #Differential
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Pupillary Defects - Differential ... - 10% cocaine: pupils ... pilocarpine • Pharmacologic ... • Trauma • Tumor ... #Defects #Differential
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
Tachycardia, Dilated pupils ... Serotonin #Inhibitors #Pathophysiology ... #Pharmacology #
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... - Differential ... hemorrhage, SAH, tumor ... Fixed #Dilated #Pupil ... #differential #
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
Tachycardia, Dilated pupils ... SerotoninNorepinephrine #Inhibitors #Pathophysiology ... #Pharmacology #
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... mildly dilated pupil ... Young females Differential ... causes of tonic pupil ... trauma/orbital tumor
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
#hyperkalemia #differential ... #diagnosis #pathophysiology ... #pharmacology #
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
poorly reactive pupils ... glaucoma • Enlarged pupil ... bleed, abscess, or tumor ... symptoms #clues #differential
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... Inflammation • Orbital Tumor ... • Aneurysm • Tumor ... large/unreactive pupil ... #DoubleVision #Differential