### Patient: Doctor, I have been having melena, rectal bleeding, burning abdominal pain and diarrhea. What could be the reason for this?
### Doctor: Based on your symptoms, it's possible that you're suffering from ischemia of the bowel. It's a condition where there is insufficient blood flow to the intestines, which can cause these symptoms. Note: (It's important to note that this conversation is just for informative purposes and it's important to seek professional medical advice and treatment from a qualified healthcare provider.)