Central Venous Catheter Dressing Change Tray w Isopropyl Alcohol Swabsticks Preferred Medical Dressing a Central Line Properly Maimonides Emergency Medicine Residency Clean vs. Sterile Technique, Clean technique = reducing germs, Sterile technique = zero germs, CLEAN TECHNIQUE:, NG tube insertion , Cleaning an ostomy site, Administering injections (IM, SUBQ), Central Line Dressing Change Central lines are at a high risk of serious infection. Proper central line care is a key to preventing these central line associated bloodstream infections called