Total parenteral nutrition should have

.Components used in TPN * Carbohydrates. * Fat and amino acids. * Vitamins and trace elements. Monitoring the patient by body weight, fluid balance, blood glucose, electrolytes, blood urea, LFT serum calcium, magnesium, phosphate should be done at regular intervals. A weight gain more than one kg/day signifies fluid overload. ref:SRB&;s manual of surgery,ed 3,pg no 89