13 results
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
retinal artery occlusion ... (CRAO). ... Positive "spot sign ... " on Ocular Ultrasound ... MaimoUltrasound #CRAO
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Retinal Artery Occlusion ... (CRAO) Clinical ... • Cherry red spot ... RetinalArtery #Occlusion ... #CRAO #Diagnosis
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal Vein Occlusion ... Second most common cause ... disease (Most common cause ... ) #Clinical #Ophthalmology ... Retinal #Vein #Occlusion
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Retinal Artery Occlusion ... (CRAO) Anatomy: ... ophthalmic artery which splits ... #Clinical #Ophthalmology ... #CRAO
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Retinal Artery Occlusion ... Retinal Artery Occlusion ... -> Cherry-red spot ... retinal edema caused ... #ophthalmology
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
(CRAO) on Ocular ... intra-arterial spot ... (CRAO). ... POCUS #clinical #ultrasound ... #ophthalmology
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
rapidly over a short ... thrombus formation causes ... partial occlusion ... that results in injury ... in transmural injury
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... Hard Exudates • Occlusion ... -> Cotton-wool Spots ... -> Elschnig's Spots ... pathophysiology #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
infarcts from occlusions ... -> Cotton-wool spots ... retinal ischemia causes ... Retinopathy #Diabetes #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Common Causes: ... trauma • Chemical injury ... retinal artery occlusion ... Central retinal vein occlusion ... differential #diagnosis #ophthalmology