b'Visually inspect system at least every 8 hours for the following:Dressing does not feel firm and tight Dressing is saturated with fluid, or tubing contains fluid (See DOES YOUR DRESSING LOOK FULL?) Tubing between the dressing and the vacuum chamber is disconnectedIf any of these conditions are true, you must contact your health care practitioner immediately6NP SIMS Patient and Caregiver Instructions (PCI)'