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embolization

Practice targeted AMC-style multiple-choice questions on embolization.

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angiogramblurred visionelderly patientemergency medicinegastroenterologygastrointestinal bleedingheadacheneurology

A patient with severe lower GI bleeding refractory to colonoscopy requires further management. Which intervention is most appropriate if the bleeding source is suspected in the small bowel or inaccessible colon?

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Post-embolization arteriogram showing coiled aneurysm (indicated by yellow arrows) of the posteriorcerebral artery with a residual aneurysmal sac.
Image by Promod Pillai, Aftab Karim, Anil Nanda — CC BY 2.0 · Source

A 68-year-old male presents with worsening headaches and blurred vision 3 months post-embolization. The attached image was obtained. Which of the following is the MOST appropriate next step in management?

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