Water deprivation test
Water Deprivation Test
The Water deprivation test is a medical procedure often used to diagnose diabetes insipidus, a condition characterized by excessive thirst and excretion of large amounts of severely diluted urine. The test measures changes in body weight, urine output, and urine composition when fluids are withheld.
Procedure[edit | edit source]
The water deprivation test involves withholding water from the patient for a certain period of time, usually overnight. The patient's weight, blood pressure, and urine output are monitored closely. Blood and urine samples are taken at regular intervals to monitor changes in the body's water balance.
Indications[edit | edit source]
The water deprivation test is primarily used to diagnose diabetes insipidus. It may also be used to differentiate between the two types of diabetes insipidus: central and nephrogenic.
Risks[edit | edit source]
The water deprivation test carries some risks, including dehydration and, in rare cases, kidney damage. Patients should be closely monitored during the test to prevent these complications.
Results[edit | edit source]
The results of the water deprivation test can help determine whether a patient has diabetes insipidus and, if so, which type. If the patient's urine becomes more concentrated during the test, this suggests central diabetes insipidus. If the urine remains dilute, this suggests nephrogenic diabetes insipidus.
See also[edit | edit source]
References[edit | edit source]
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