<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing fainting spells and sharp abdominal and chest pains. I also feel nausea and have upper abdominal pain.  <response>: Based on your symptoms, you may have an intestinal disease. We will need to perform some tests to diagnose the exact condition. Can you please give me more details about the pain? Is it constant or intermittent? 