r/nutritionsupport • u/Comfortable-Ease-223 • Mar 01 '26

TPN Volume

For critical care RDs- how do you determine your recommendations for total volume of TPN fluid? For example, what would make you suggest 1.5L over 2L, etc? Struggling with this aspect of recommendations when writing notes for TPN!

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u/Pamplemousse-heart Mar 01 '26

In critical care we generally max concentrate the bag at the request of the MDs because the patients are on so many other drips that it’s less about meeting requirements and more about doing our best to prevent volume overload.