Fluid deprivation test
Fluid Deprivation Test
The Fluid Deprivation Test (pronunciation: /fluːɪd dɛprɪˈveɪʃən tɛst/) is a medical procedure used to determine whether the patient's body is properly regulating the balance of water and electrolytes. It is often used to diagnose conditions such as Diabetes Insipidus and Syndrome of Inappropriate Antidiuretic Hormone (SIADH).
Etymology
The term "Fluid Deprivation Test" is derived from the English words "fluid" (meaning liquid), "deprivation" (meaning the denial or withholding of something), and "test" (meaning a procedure intended to establish the quality, performance, or reliability of something).
Procedure
The Fluid Deprivation Test begins with the patient being deprived of fluids for a specified period, usually 8 to 12 hours. The patient's weight, blood pressure, and urine output are monitored closely. After the deprivation period, the patient is given a hormone called Vasopressin, and the urine output is measured again. The results of the test can help determine if the patient's body is properly regulating water and electrolytes.
Related Terms
- Diabetes Insipidus: A condition characterized by excessive thirst and excretion of large amounts of severely diluted urine.
- Vasopressin: A hormone produced in the hypothalamus and released by the posterior pituitary gland. It plays a key role in maintaining the volume and composition of body fluids.
- Syndrome of Inappropriate Antidiuretic Hormone (SIADH): A condition in which the body makes too much antidiuretic hormone (ADH), leading to water retention and low sodium levels.
See Also
External links
- Medical encyclopedia article on Fluid deprivation test
- Wikipedia's article - Fluid deprivation test
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