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
Minimally disruptive medicine Minimally disruptive medicine Minimally Disruptive Medicine is an approach to patient care in chronic illness proposed by Carl R May, Victor Montori, and Frances Mair. In a 2009 article in the British Medical Journal they argued that the burden of illness (the pathophysiological and psychosocial impact of disease on the sufferer) has its counterpart in the burden of treatment (the workload delegated to the patient by health professionals, which may include self care and self-monitoring, managing therapeutic regimens, organizing doctors’ visits, tests, and insurance). As medical responses to illness have become more sophisticated, the burden of treatment has grown, and