Fluid deprivation test Fluid deprivation test A fluid or water deprivation test is a medical test which can be used to determine whether the patient has diabetes insipidus as opposed to other causes of polydipsia (a condition of excessive thirst that causes an excessive intake of water). The patient is required, for a prolonged period, to forgo intake of water completely, to determine the cause of the thirst. This test measures changes in body weight, urine output, and urine composition when fluids are withheld. Sometimes measuring blood levels of ADH (a synonym for vasopressin) during this test is also necessary. If there is
Medical centers in the United States Kingdom. The Texas Medical Center is the largest medical center in the world with one of the highest densities of clinical facilities for patient care, basic science, and translational research. Located in Houston, the center contains 50 medicine-related institutions, including 21 hospitals and two specialty institutions, two medical schools, six nursing schools, and schools of dentistry, public health, pharmacy, and other health-related practices. All 50 institutions are not-for-profit and constitute some of the most highly regarded institutions in the country, including: M.D. Anderson Cancer Center, Texas Children's Hospital, The Texas Heart Institute, The Methodist Hospital and Baylor College of Medicine.