He has diabetes. Dad has always healed well and quickly. He recently got an ulcer on his heel. It was getting better, got infected, got much worse, got better on IV antibiotics but now has stopped healing... we are getting another opinion tomorrow. How can I educate myself fast in new treatments so I know what questions to ask. Also this 2nd opinion is coming from a general sugeon instead of a diabetic foot doctor... is that good or bad? Please help quick.