<prompt> Answer this question truthfullyIn the treatment of diabetic ketoacidosis DKA, at what glucose level is it recommended to switch from normal saline NS to dextrose 5 in water D5W?  <response>: <reason> In the treatment of diabetic ketoacidosis DKA, it is recommended to switch from normal saline NS to dextrose 5 in water D5W when the glucose level is less than 200. 