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

78 yo M with sudden onset
retinal artery occlusion ... Positive "spot sign ... " on Ocular Ultrasound ... Embolus #Clinical #POCUS ... #Ocular #Ultrasound
Ocular Ultrasound Pocketcard
Painless Vision Loss
 • Retinal Detachment 
 • Posterior Vitreous Detachment 
 • Vitreous
Ocular Ultrasound ... Retinal Artery Occlusion ... Periorbital Edema - POCUS ... #pocus #differential ... diagnosis #radiology #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
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Retinal Artery Occlusion ... CRAO) on Ocular POCUS ... intra-arterial spot ... #clinical #ultrasound ... #ophthalmology
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 ... 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
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Retinal Artery Occlusion ... ophthalmic artery which splits ... Causes: - Carotid ... also important cause ... #Clinical #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
Fig. 8.  Surface marking to guide needle insertion. In the paramedian sagittal (PS) oblique view,
(L3–L4 in this case ... in turn on the ultrasound ... centered on the ultrasound ... probe's long and short ... PainManagement #POCUS