CHG Chlorhexidine Gluconate Dressing IV Port Dressings CHG Chlorhexidine Gluconate Dressing IV Port Dressings 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 Figure 1 from Use of a 1 piece chlorhexidine gluconate transparent dressing on critically ill patients. Semantic Scholar 3M Tegaderm CHG IV Securement Dressing, Various Sizes