Tomas is a nursing assistant at a long-term care facility. One of his favorite residents, Maya, a former talent agent who enjoys regaling him with stories of entertainers she used to work with, suffers from peripheral vascular disease. If left untreated, her condition could lead to an interruption in blood flow that could cause vascular ulcers and gangrene. What can Tomas do to help prevent complications from Maya's peripheral vascular disease?