SVPE kit will be prepared with one blood transfusion set and two saline infusion sets connected with a tri channel device. On the other end the blood transfusion set will be connected with the blood bag, one saline infusion set is connected with 1 liter normal saline mixed with 2500 unit of un fractionated heparin and one saline infusion set is connected with 500 ml hexa-ethyl starch solution. All the tubes should be made air free by fluid column from respective bag. The tri channel is then attached to the central venous catheter.