14 results
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
inhabitants 3rd leading cause ... blindness, linked to macular ... retinal ischemia Causes ... Differential #Diagnosis #Ophthalmology ... #Rheumatology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... due to retinal vascular ... disease (Most common cause ... ) #Clinical #Ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
narrowing and vascular ... hyalinization causes ... BRB breakdown causes ... #Retinopathy #pathophysiology ... #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Focal areas of saccular ... retinal ischemia causes ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
considered in all cases ... coagulation and other causes ... Venous #Arterial #pathophysiology ... #hematology #differential ... #diagnosis #vascular
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Valvular, arrhythmias ... retinal edema caused ... Occlusion #CRAO #pathophysiology ... #ophthalmology
Aqueous Humor Production and Drainage
 • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
neurotransmitters to the avascular ... inflammatory cells to avascular ... of flow) -> AH passes ... Drainage #flow #Pathophysiology ... #ophthalmology
Dense Spontaneous Echo Contrast (SEC) on POCUS
Rouleaux flow on POCUS.  RBCs stick together to form
Contrast (SEC) on POCUS ... Rouleaux flow on POCUS ... some COVID-19 cases ... #clinical #ultrasound ... #vascular #Spontaneous
Papilledema on Ocular Ultrasound related to pseudotumor cerebri

Resolution to last week's case: headache. This patient had
Papilledema on Ocular Ultrasound ... to last week's case ... Papilledema #Ocular #Ultrasound ... cerebri #Clinical #POCUS ... #Ophthalmology
Vitreous Hemorrhage on Ocular POCUS

What is the leading cause of this pathology in patients under 40
Hemorrhage on Ocular POCUS ... is the leading cause ... The most common cause ... #clinical #ultrasound ... #Ophthalmology