<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been feeling very weak lately and my urine output has decreased. I think there might be something wrong with my kidneys.  <response>: I see, its possible you might be suffering from kidney failure. To confirm this diagnosis, we will perform a series of medical tests, including Hematologic tests, Complete blood count, Glucose measurement, Electrolytes panel, Electrocardiogram, Plain x-ray, and Kidney function tests. 