Protocol...
There is not much difference from saline and D5W, both are technically isotonic, however of course there is 5 grams of glucose suspended per 1000ml of water. Be AWARE there is a difference of D5 in Saline D5NaCL. As well some medications can be only mixed with D5W and some only with saline..
D5w used to be a favorite, when everyone assumed since it was glucose molecule would transport the medication across the cell barrier faster, but most practitioners changed about 20 years ago to saline.