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Preparation of Gelfoam slurry. (A) The tools needed for Gelfoam slurry embolization: two syringes, 5 to 10 mL of fluid, and a Gelfoam sponge. (B) The Gelfoam is torn into multiple pieces and back-loaded into one of the syringes. The other syringe is filled with 5 to 10 mL of fluid, and both syringes are attached to a three-way stopcock. (C) After using a to-and-fro motion between the two syringes, the Gelfoam slurry should have the consistency of pudding.
