Bedsores, diabetic ulcers and other chronic wounds cost the U.S. health care system $30 billion a year. Why? At least in part because the primary tool doctors and nurses use to track wounds is a basic ruler.
A ruler can measure the size of a wound, but does little to track other important qualities, such as changes in shape and tissue color. Consider that patients are usually cared for by a rotating team of nurses, who may each interpret a wound’s appearance differently, and it’s easier to see how so much money is spent tending to preventable (or at least treatable) conditions.
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