Effect of discharge current on cell voltage and power. When current is drawn from a cell, the cell volta ge falls due to polarization. The higher the current, the greater the voltage drop.
Topics | Critical Care | How is total parenteral nutrition (TPN) given? Total parenteral nutrition (TPN) is given through a vascular access device such as a Peripheral Intravenous line, Midline or most preferably a Central Line. The central line is the most common access for TPN administration.
It is also used for variable periods of time to bolster. the nutritional status of severely malnourished patients with medical or surgical conditions. TPN. involves percutaneous transvenous implantation of a central venous catheter into the vena cava. or right atrium.