When first lying on the acupuncture table, Dexter has a bandage on his left arm, at the end when he looks over to the cat statue, the bandage is gone.
When Dexter is in the middle of Acupuncture, Blessing's daughter is putting in the needles and the wrap on Dexters arm for his cut on his wrist is on the left side, then after she leaves, the wrap disappears, switching places between his left and right wrist, between shots.
When Angel says, "From his daily pattern," his mouth has stopped moving.