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

78 yo M with sudden onset
Central retinal ... artery occlusion ... Positive "spot sign ... RetinalArtery #Occlusion ... Embolus #Clinical #POCUS
92F w acute painless monocular vision loss. What's the diagnosis?

...

Central retinal artery occlusion (CRAO)! Retrobulbar "spot
Central retinal ... artery occlusion ... Retrobulbar "spot sign ... #Clinical #POCUS ... CRAO #SpotSign #Central
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 ... retinal artery ... #Retinal #Artery
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... Artery Occlusion ... => Central Retinal ... Artery Occlusion ... ophthalmology #diagnosis #signs
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
lyme • Altered mental ... • Meningeal signs ... ) • Systemic symptoms ... and signs (e.g. ... brain lesion • CNS
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Dizziness - Vertigo - Differential ... oscillopsia) • Otitis Media ... Bone Fracture Central ... /signs, bidirectional ... • Basilar Artery
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Medium and large ... disease (SVC/IVC occlusion ... infarction, coronary artery ... Behcet disease) Differential ... diagnosis #management #signs
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... CENTRAL VERTIGO ... Occlusion of posterior ... varying neurologic signs ... Vertigo #Causes #differential
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
hypertension - CNS ... immunocompromise, CNS ... - cervical artery ... thrombophilia, neurologic signs ... Dangerous #Deadly #Differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... revealed only after ... Periventricular regions ... headache, altered mental ... #Infections #differential