14 results
92F w acute painless monocular vision loss. What's the diagnosis?

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Central retinal artery occlusion (CRAO)! Retrobulbar "spot
Central retinal ... artery occlusion ... Retrobulbar "spot sign ... #Clinical #POCUS ... RetinalArtery #Occlusion
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Central Retinal ... Vein Occlusion ( ... CentralRetinalVein #Occlusion ... #ophthalmology ... #diagnosis #signs
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Central retinal ... artery occlusion ... (CRAO). ... Positive "spot sign ... Embolus #Clinical #POCUS
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Central Retinal ... Artery Occlusion ... intra-arterial spot sign ... (CRAO). ... #ultrasound #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Artery Occlusion ... Artery Occlusion ... CentralRetinalArtery #Occlusion ... #ophthalmology ... #diagnosis #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Stage 3: Severe/exudative ... Hard Exudates • Occlusion ... nerve fiber layer ... pathophysiology #ophthalmology ... #diagnosis #signs
Papilledema on Ocular POCUS

Eye, linear probe, optic nerve (ON) elevation >0.6 mm into globe (crescent sign)
Papilledema on Ocular POCUS ... linear probe, optic nerve ... globe (crescent sign ... 3mm posterior to retina ... clinical #ultrasound #ophthalmology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Lack of UMN/LMN signs ... • Autoimmune: Inclusion ... polymyositis, inclusion ... #Weakness #Differential
Bear Paw Sign of Xanthogranulomatous Pyelonephritis on POCUS

Adult female with right flank pain, fever, leukocytosis, soft
Bear Paw Sign of ... Pyelonephritis on POCUS ... Diagnosis/differential ... "Bear paw sign." ... Pyelonephritis #BearPaw #Sign
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
and Headache - Differential ... pathways occur at the retina ... meningeal irritation signs ... the trigeminal nerve ... #diagnosis #ophthalmology