TY - JOUR T1 - Tips on drawing blood through a heparin lock TT - کشیدن خون از طریق هپارین لاک JF - IJN JO - IJN VL - 7 IS - 7 UR - http://ijn.iums.ac.ir/article-1-1130-en.html Y1 - 1993 SP - 48 EP - 50 KW - blood specimen collection KW - heparin lock KW - method KW - nursing N2 -   By drawing blood through a heparin lock, patients can be protected from skin damages duo to repeated needle sticks. In addition, this procedure can assist to gain more precise results in laboratory test and to prevent further complications. Probably, you have ever used a heparin lock in order to infusion of medicines but, it is possible that you never use of that for blood sampling. Both two procedures have similar advantages for patients, because they protect patients with a high need for repeated blood drawing against the pain and potential tissue damages M3 ER -