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Case: Ruptured Abdominal Aortic Aneurysm

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Okay, so here we have a contrast

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enhanced CT scan of the abdomen pelvis.

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We have a little bit of a hiatus hernia here,

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where the stomach is coming through the um

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diaphragmatic hiatus, spleen and liver look okay.

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But as we come down where we

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see a lot of high density fluid.

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Adjacent to an extremely dilated and enlarged aorta.

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So, you know, no prizes here.

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This is the appearance of an AAA or

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an abdominal aortic aneurysm rupture.

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Um, we have a lot of fluid blood

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products within the retroperitoneum.

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In that perirenal space.

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The blood is extending along the aorta.

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You can see it coming deep here.

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In the retroperitoneum, but not

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expanding the muscle of the iliopsoas.

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So this is a large, uh, AAA

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ruptured with retroperitoneal fluid.

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Let's go on coronal for the drama.

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Again, you know, these are an emergent situation.

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Usually when we're imaging these patients, it's

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pretty well known from the bedside ultrasound

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that the patient has a very large aorta.

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We're trying to give them contrast so that we

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can make a CTA image of the ruptured aorta.

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As fast as possible while they prep the ORs so

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that they can measure the stent grafts that will be

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needed for emergent stent fixation in these patients.

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So this is a ruptured abdominal aortic aneurysm

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with retroperitoneal bleeding in the perirenal space.

Report

Faculty

Laura L Avery, MD

Assistant Professor of Emergency Radiology Harvard Medical School

Massachusetts General Hosptial

Tags

Vascular Imaging

Vascular

Retroperitoneum

Emergency

Body

Acquired/Developmental