What does "TPN" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
TPN stands for Total Parenteral Nutrition. It's a method of feeding a person through a special tube that goes directly into a large vein, usually in the chest or arm. This method is used when a person cannot or should not get their nutrition through eating. TPN provides all the nutrients the body needs, such as sugar, amino acids, electrolytes, and vitamins.
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