\(y=\frac{1}{x}\) This means that the line y=0 is a horizontal asymptote. Horizontal asymptotes occur most often when the function is a fraction where the top remains positive, but the bottom goes to infinity. Going back to the previous example, \(y=\frac{1}{x}\) is a fraction.
Causes of Wounds. Wound causes can be internal or external in origin. Wounds of internal origin are mainly due to impaired circulation, neuropathy or medical illness. Wounds of external origin are due to an outside force or trauma that causes open or closed wounds.
Neuropathy. Another factor in the cause of diabetic wounds is neuropathy. Neuropathy (or nerve damage) is common in diabetic patients, and leads to a loss of feeling in the extremities. Because of this, a cut or wound may exist without the person knowing. Without immediate attention, the risk of infection and complications increases greatly.