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Arterial Stimulation Venous
Sampling (ASVS)
Arterial Stimulation Venous Sampling (ASVS) ASVS involves sequential injection of calcium into each of the three arteries that supply blood to the head, body, and tail regions of the pancreas, using a catheter inserted into a leg artery. Through an intravenous catheter placed into the child’s neck, blood samples are taken to measure the insulin secretion after each calcium injection. An increase in insulin secretion after injection of calcium into one of the three arteries suggests location of a focal lesion in the part of pancreas supplied by that artery.
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