5787 results
Mydriasis Causes - AAAS Mnemonic
 • Atropine
 • Anticholinergic Toxicity
 • Antidepressants (and Serotonin Syndrome)
 •
Mydriasis Causes ... Sympathomimetics #Mydriasis ... #differential #diagnosis
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis ... - Differential Diagnosis ... Dilated pupils (mydriasis ... • Unilateral Mydriasis ... #differential #diagnosis
Serotonin Syndrome
 - Rapid onset 
 - Combination of 2+ serotonin agonists 
Mental status changes:
Diaphoresis - Mydriasis ... Serotonin #Syndrome #Diagnosis
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... Benign episodic mydriasis ... hemorrhage (SAH): - Mydriasis ... nerve pain - Mydriasis ... #differential #diagnosis
Traumatic Iritis
Clinical 
• Photophobia (hallmark) 
• Decreased visual acuity 
• Painful 
Treatment 
• Steroids 
• Mydriatics
• Steroids • Mydriatics ... Ophthalmology #Diagnosis
Clinical Manifestations of Serotonin Syndrome
 • Ophthalmologic: Mydriasis, Ocular clonus (slow horizontal movements)
 • Gastrointestinal: Diarrhea,
Ophthalmologic: Mydriasis ... spectrum #signs #diagnosis
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
response to: Dark, Mydriatics ... Pupil #neurology #diagnosis
Characteristics of Serotonin Syndrome and Other Hyperthermic Syndromes 
Serotonin Syndrome
 - SSRIs, second-generation antidepressants, MAOIs, linezolid,
sounds, diarrhea, mydriasis ... Hyperthermic #Syndromes #Diagnosis
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
- Differential Diagnosis ... Pupil: Traumatic mydriasis ... #Differential #Diagnosis
Extraocular Muscle Actions & Clinical Testing
What about clinical testing of extraocular muscle function & associated nerve
CN Ill: ptosis, mydriasis ... Muscle #Actions #diagnosis