From Harstad v. Whiteman, COA, Published 3/4/2011:

“[A]buse of discretion is the proper standard of review of a trial court’s evidentiary rulings.” Goodyear Tire & Rubber Co. v. Thompson, 11 S.W.3d 575, 577 (Ky. 2000) (citations omitted). “The test for abuse of discretion is whether the trial [court’s] decision was arbitrary, unreasonable, unfair, or unsupported by sound legal principles.” Id. at 581.