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Sequential occlusion test hemodialysis arteriovenous access

Sequential occlusion test hemodialysis arteriovenous access

(A) The absence of a thrill indicates no side branches are present between the point of occlusion and the anastomosis.

(B) When a side branch is present between the point of occlusion and the anastomosis, the thrill remains.
Courtesy of Gerald A Beathard, MD, PhD.
Graphic 138801 Version 1.0