51 results
Mydriasis and Miosis - Differential Diagnosis Framework

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

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... Horner’s syndrome ... palsy • Horner syndrome ... #Differential # ... Diagnosis #ophthalmology
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
Horner's syndrome ... have friends, is caused ... classically results in ptosis ... droop eyelid), miosis ... #Overview #Ophthalmology
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
Horner's Syndrome ... left (known as ptosis ... Images #Clinical #Ophthalmology ... Photo #Horners #Syndrome ... #Ptosis #UCSDH
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Amblyopia - Lazy Eye - Differential ... Visual Axis: • Ptosis ... Amblyopia #LazyEye #Differential ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Deep coma (any cause ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential #
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Carbenoxolone, SAME, Cushing ... Syndrome • HTN ... #Hypokalemia #Differential ... Diagnosis #Algorithm #causes
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... and ptosis (both ... diagnosis of Horner's syndrome ... experience, the cause ... clinical #video #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • Look for ptosis ... a mass as the cause ... depressed, abducted, ptosis ... #Ophthalmology
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... for the neuro-ophthalmologic ... finding of diplopia ... Miller-Fisher syndrome ... #Diagnosis #Causes