12 results
Non-ischemic CRVO - Fundoscopy Ocular Examination

Non-ischemic Central Retinal Vein Occlusion (CRVO) 

Dr. Sebastian Vega @oftalmopo

#Nonischemic #CRVO
Non-ischemic CRVO ... Central Retinal ... Vein Occlusion ... #PhysicalExam #clinical ... #video #ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Vein Occlusion ( ... Second most common cause ... retinopathy) #Clinical ... #Ophthalmology ... #Vein #Occlusion
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Central Retinal ... Vein Occlusion ( ... CRVO) Clinical: ... #Ophthalmology ... #Emergency
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... Artery Occlusion ... (CRAO) Clinical ... #Ophthalmology ... #Emergency
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Pathogenesis and clinical ... edema caused by ... ischemia results ... axons death due to ischemia ... #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Pathogenesis and clinical ... infarcts from occlusions ... ischemia -> Venous ... ischemia causes ... Retinopathy #Diabetes #ophthalmology
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Artery Occlusion ... Causes: - Carotid ... also important cause ... #Clinical #Ophthalmology ... #Artery #Occlusion
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... Hard Exudates • Occlusion ... fluffy white ischemic ... Elschnig's Spots • Ischemia ... pathophysiology #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Differential Diagnosis Algorithm ... Optic Neuritis • Ischemic ... Nerve Tumor • Retinal ... Pharmacologic (e.g ... #Causes #Ophthalmology
Approach to Possible Hypertensive Emergency

criteria required to diagnose hypertensive emergency
(1) Severe hypertension
 - Usually a MAP
mm is needed to cause ... hypertension (e.g ... - Myocardial ischemia ... type-II myocardial ischemia ... #Diagnosis #Algorithm