731 results
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... narrowing and vascular ... hyalinization causes ... pathophysiology #ophthalmology ... #diagnosis #signs
Intermittent Bilateral Exophthalmos (Alternating Exophthalmos and Enophthalmos) on Physical Exam

Observing this patient in silence for a
Patient underwent a diagnostic ... The cause of this ... Commonly, vascular ... Alternating #Bilateral #clinical ... #video #ophthalmology
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... blindness, linked to macular ... retinal ischemia Causes ... #Differential #Diagnosis ... #Ophthalmology
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Occlusion (CRVO) Clinical ... consult • Anti-vascular ... Occlusion #CRVO #Diagnosis ... #Clinical #Fundoscopy ... #Ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Second most common cause ... due to retinal vascular ... disease (Most common cause ... retinopathy) #Clinical ... #Ophthalmology
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... for the neuro-ophthalmologic ... Carcinomatosis Vascular ... #Differential #Diagnosis ... #Causes #Ophthalmology
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
- Differential Diagnosis ... Aspergillosis • Vascular ... #Differential #Diagnosis ... Unilateral #Bilateral #Causes ... #ophthalmology
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Causes of Encephalopathy ... - Differential Diagnosis ... Primary Neurologic: Vascular ... #Differential #Diagnosis ... #Algorithm #Causes
Causes of Acute Kidney Injury - Differential Diagnosis Framework 
Pre-Renal
Post-Renal
Intrinsic Renal:
 • Tubules (ATN)
 • Glomerular:
Causes of Acute ... - Differential Diagnosis ... Interstitium (AIN) • Vascular ... #KidneyInjury #Causes ... #Differential #Diagnosis
Oropharyngeal and Esophageal Causes of Dysphagia - Differential Diagnosis
Oropharyngeal Dysphagia
 • Neuromuscular causes: CVA/CNS tumor/ALS, Parkinson's,
and Esophageal Causes ... - Differential Diagnosis ... Lambert Eaton, Muscular ... Extrinsic compression: Vascular ... #Differential #Diagnosis