Conversation: The conversation between human and AI assistant.
[|Human|] My father had gallbladder surgery four week ago.  he had a mild case of pancreatitis and colitis.  His blood cultures also tested positive.  He was very sick. The last few days he has had some black stools and he normally he  has high blood pressure. The last few days his blood pressure has been 90s over 50s.  He has no energy.  He has had a very difficult time getting around.  This is totally unlike him.  He is 80 years old and a very active person.  Should we contact his doctor about the black stools?
[|AI|]  Thank you for posting query at Chat Doctor. You need further evaluation as soon as possible. Most likely, a lesion in stomach or upper GIT tract." Black stool" reflects "bleeding" from upper gastrointestinal tract. He needs to Undergo ENDOSCOPY to rule out any bleeding lesion in the GIT. Make an appointment with a gastroenterologist asap. Meanwhile,- avoid salt and spices-avoid alcohol and smoking-take medium 40 mg before a breakfast (once daily) hope to answer your concern. Health professionals aim to diagnose properly and manage patients according to their limited knowledge. Cure is blessed by the ONE who Created us, whose power and knowledge is unlimited .wish you good health. Regards, Chat Doctor.