Instructed patient training for patients and their caregivers who 
will be using the device at home should include how to: Recognize signs and symptoms of complications, such as redness, 
warmth, and pain associated with possible infection Contact appropriate healthcare providers, especially in emergency 
situations, respond to emergency situations; for instance, if bright red blood is seen in the tubing or canister, to immediately stop NPWT, apply direct manual pressure to the dressing, and activate emergency medical services.