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.
In the midline technique, the needle is inserted below the lower edge of the spinous process of the selected upper vertebrae and passes through the skin, subcutaneous tissue, supraspinous ligament, interspinous ligament, ligamentum flavum as well as the epidural space until it reaches dura arachnoids and pierces it.