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.
Slide 57: TPN might be necessary if: a patient is severely undernourished, and needs to have surgery, radiotherapy or chemotherapy; a patient suffers from chronic diarrhea and vomiting; a baby's gut is too immature; a patient's (their gastrointestinal tract) is paralysed, for example after major surgery.