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

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Central retinal artery occlusion (CRAO)! Retrobulbar "spot
artery occlusion (CRAO ... Retrobulbar "spot ... sign" with embolus ... in CRA. ... POCUS #OcularUS #CRAO
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

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

78 yo M with sudden onset
artery occlusion (CRAO ... Positive "spot sign ... MaimoUltrasound #CRAO
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Artery Occlusion (CRAO ... -> Cherry-red spot ... due to upstream CRAO ... #pathophysiology ... ophthalmology #diagnosis #signs
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
Serotonin #Inhibitors #Pathophysiology ... #Pharmacology # ... Psychiatry #Diagnosis #Signs
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
SerotoninNorepinephrine #Inhibitors #Pathophysiology ... #Pharmacology # ... Psychiatry #Diagnosis #Signs
Pathyophysiology - hyperglycemic crises in patients with diabetes 
Key signs/symptoms of HHS/DKA:
Both: Polyuria, polydipsia, weight loss,
Pathyophysiology ... diabetes Key signs ... hypotension) DKA: Short
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome Signs ... fractures • Short ... Syndrome #genetics #pathophysiology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
activates lipolysis Signs ... deficiency: - Short ... endocrinology #pathophysiology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
conjunctiva) • Bitot's spots ... #Xeropthalmia #pathophysiology ... ophthalmology #diagnosis #signs