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), Changing a Central Line Catheter Dressing RNpedia Let's go over central line dressing changes 1. Perform hand hygiene, then open dressing tray 2. Don face mask 3. Prepare dressing tray aseptically. Add supplies using transfer RWM Dressing Change Tray, Standard Right Way Medical