Mesenteric Arteries

What branches off the celiac axis?

Answer explanation

lt gastric A, splenic A, common hepatic A

What does the SMA supply blood to?

Answer explanation

distal duodenum, small intestine, colon

What does the IMA supply blood to?

Answer explanation

transverse, descending, sigmoid colon

What is the most common reason for a mesenteric duplex exam?

Answer explanation

chronic mesenteric ischemia

2 or 3 mesenteric vessels must be affected before for what to happen?

Answer explanation

symptoms to appear or ischemia

What vessels must be involved for bowel ischemia to happen?

Answer explanation

celiac, SMA, IMA

What causes mesenteric ischemia?

Answer explanation

atherosclerosis, occlusion, stenosis

What is acute mesenteric ischemia caused by?

Answer explanation

embolization

S & S of mesenteric ischemia:

Answer explanation

- abdominal cramps after eating - "fear of food" syndrome - diarrhea - weight loss - bruit

How does the SMA waveform change after eating?

Answer explanation

high-resistance to low-resistance flow