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

78 yo M with sudden onset
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
retinal artery occlusion ... Retrobulbar "spot ... sign" with embolus ... #Clinical #POCUS ... RetinalArtery #Occlusion
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Retinal Artery Occlusion ... arrhythmias, congenital defects ... -> Cherry-red spot ... #CRAO #pathophysiology ... ophthalmology #diagnosis #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Hard Exudates • Occlusion ... -> Cotton-wool Spots ... -> Elschnig's Spots ... #Retinopathy #pathophysiology ... ophthalmology #diagnosis #signs
Features of a Sickle Cell Crisis 
Sickle-cell disease - an autosomal recessive blood disorder.
Characterized by red
almost exclusively affects ... The underlying pathophysiology ... exist): 1) Vaso-ocdusion ... Crisis #Features #Signs
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Retinal Artery Occlusion ... CRAO) on Ocular POCUS ... PoCUS clip demonstrates ... intra-arterial spot ... sign” (arrow) c
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Most commonly affects ... the knee hip and ... > Stiffness is short-lived ... JointPain #Diagnosis #pathophysiology
Anemia of Hospitalization - Pathophysiology

Why does the Hgb/Hct drop in the first two days during hospitalization?

Interestingly,
Hospitalization - Pathophysiology ... bedrest’s negative effects ... In conclusion, prolonged ... from accessing port ... Hospitalization #causes #pathophysiology
Rickets and Osteomalacia: Pathogenesis and Clinical Findings
 • Calcification inhibitors (excess exposure to A1, Fluoride, etidronate)
mineralization defect ... closure => • Short ... #Osteomalacia #pathophysiology ... #diagnosis #signs