24 results
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... #physicalexam #clinical ... #video #neurology ... #ophthalmology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Vertigo - Differential ... unidirectonal nystagmus ... bidirectional nystagmus ... • Transient Ischemic ... #Differential #
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Pathogenesis and clinical ... re-vascularize the ischemic ... causes upregulation ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... Diagnosis Algorithm Clinical ... a mass as the cause ... #DoubleVision #Differential ... #Ophthalmology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... Diplopia TIER 1-CRITICAL ... Ophthalmoplegic migraine, Ischemic ... mass #Diplopia #differential ... #diagnosis #ophthalmology
Vertical Nystagmus on Slit Lamp Ocular Examination

Often an indicator of a central lesion. This patient was
Vertical Nystagmus ... found to have an ischemic ... By Ophthalmology ... #PhysicalExam #clinical ... #neurology #SlitLamp
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... fluffy white ischemic ... Elschnig's Spots • Ischemia ... #Retinopathy #pathophysiology ... #ophthalmology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE) Clinical ... Disease, PRES Pathophysiology ... autoantibodies that will cause ... ischemia and/or ... cyclophosphamide • Ischemic
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
A nystagmus in far ... fasciculus), which causes ... The most common causes ... #video #ophthalmology ... #neurology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Pathogenesis and clinical ... retinal edema caused ... by ischemia results ... Occlusion #CRAO #pathophysiology ... #ophthalmology