Nephrology - the subspecialty of Internal Medicine which specializes in the diagnosis, treatment, and prevention of medical (non-surgical) kidney diseases. A Nephrologist is trained to treat diseases of the kidney in a comprehensive manner, since diseases of the kidney may also involve the function of other organs. Nephrology includes the treatment of conditions linked to kidney diseases, such as hypertension. A Nephrologist supervises use of dialysis to treat patients with acute and chronic kidney failure and manages the kidney transplant patient.