29 results
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
- Differential Diagnosis ... - Horner's Syndrome ... - CN III Palsy ... #Differential #Diagnosis ... #Ophthalmology
Pupillary Abnormalities  Overview
 - Unequal Pupils (anisocoria)
 - Tonic pupil (Adie's pupil)
 - OculomotorNerve (CN
Unequal Pupils (anisocoria ... OculomotorNerve (CN ... - Homer's Syndrome ... #Diagnosis #Ophthalmology ... Differential #Types #Anisocoria
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Anisocoria - Pupillary ... - Differential Diagnosis ... Fascicle (Other CN ... #Differential #Diagnosis ... Algorithm #Causes #Ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... • Physiologic Anisocoria ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Other brainstem syndromes ... • Transverse myelitis ... pain • Extra-CNS ... erythematosus, Sjögren syndrome ... Manifestations #diagnosis
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... for the neuro-ophthalmologic ... Miller-Fisher syndrome ... #Differential #Diagnosis ... #Causes #Ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Isocoria - Pupillary ... - Differential Diagnosis ... Midbrain (Parinaud's Syndrome ... #Differential #Diagnosis ... Algorithm #Causes #Ophthalmology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... pulmonary etc) • CNS ... • Acute stroke syndromes ... Paraneoplastic syndrome ... #Differential #Diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN ... Nerve palsy • CN ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #differential #diagnosis
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
, Orbital apex syndrome ... Miller-Fisher syndrome ... neuropathy, Orbital myositis ... #differential #diagnosis ... #ophthalmology