An Older Diabetic Woman Who Has Had Two Heart Attacks

An older diabetic woman who has had two heart attacks in the past complains that shee cannot feel her toes any longer, but that they are difficult to walk on. She transfers weight very cautiously, seeming to bear weight primarily on her heels. You remove her shoes and socks and notice that several of her toes are blackened, atrophic and cold to the touch. You think the patient may have:

A) Lower extremity edema
B) Dry gangrene
C) Peripheral neuropathy
D) An allergic reaction to the material in her shoes or socks