abdominal aorta AND superior mesenteric artery - 2023 Chicago Open

Question

Two answers required. After meals, a sharp, stabbing pain in the abdomen occurs in underweight patients whose transverse duodenum is being compressed by these two arteries. For 10 points each:

[10h] Identify both of these arteries. In nutcracker syndrome, varicoceles can result from a backed up outflow when the left renal vein is compressed between these two arteries.

ANSWER: abdominal aorta AND superior mesenteric artery [accept SMA in place of “superior mesenteric artery”]

[10m] The obstruction in nutcracker syndrome restricts the flow of blood into this large vessel, which returns blood from the lower body to the right atrium of the heart.

ANSWER: inferior vena cava [or IVC; reject “superior vena cava”]

[10e] Venous return to the heart can also be hindered by the formation of one of these objects in a deep vein, typically in the lower leg or thigh. These objects may then dangerously dislodge and form obstructive emboli in the lungs.

ANSWER: thrombi [or thrombus; accept blood clots or deep vein thrombosis]

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Summary


2023 Chicago Open	08/05/2023	Y	10	19.00	90%	100%	0%

Data


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