Central Line Dressing Change and Sterilization Best Practices Weekly Central Line Dressing Change aka GRWM for another week of central line BS Heavily edited & sped up not all steps shown not medical advice or graphic Can your new nurses do a central line dressing change? Answer:B. Maintain strict sterile technique for line access , Discussion:Maintaining sterile technique is crucial to prevent infection when accessing the central line. Ace Nursing Facebook Evidence: The first word in safe I.V. practice