Barbara | BSN, RN on Instagram: "comment TPN for a FREE study guide covering the breakdown, complications, and nursing priorities for TPN remember: 👉🏼TPN stands for total parenteral nutrition — it’s complete nutrition delivered directly into the bloodstream when the GI tract can’t be used 👉🏼each bag is custom-made by pharmacy every day based on labs and includes carbohydrates, amino acids, fats, electrolytes, vitamins, and trace minerals 👉🏼it’s highly concentrated, which is why it must be