Retinal Vascular Occlusion Flashcards
What are the two types?
CRAO, CRVO
what plant is CRAO?
jupiter
What is CRVO?
sunfire
What is CRAO?
stroke of the eye
Is CRAO common?
no
What causes CRAO?
atherosclerosis of ipsi carotid or cardiogenic
Who gets CRAO?
male 60-65 yo
What are risk factors for CRAO?
Hypertension Tobacco use Diabetes Hyperlipidemia Also: Sickle cell anemia, hypercoaguable states, leukemia, lymphoma
How does CRAO present?
acute painless unilateral vision loss
What do you see on fundoscopic exam of CRAO?
cherry red spot, retinal emboli
If above 50 with CRAO what do you do?
ESR and CRP for temporal arteritis
What is CRAO?
opthalmologic emergency
What is the timeline for irreparable damage in CRAO?
4 hr
What is the number one cause of blindness due to vasculare?
DM then CRVO
Wbat are the risk factors for CRVO?
Age Hypertension Diabetes Cigarette smoking Obesity Hypercoagulable states Factor V Leiden and Protein C Glaucoma
How does branch CRVO present?
blurring, visual defect in field
How does central CRVO present?
acute unilateral painless vision loss, afferent defect
How doe CRVO appear?
blood and thunderm dilated veins, cotton wool
How do you confirm CRVO?
fluorescein angiogram
