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Diabetes insipidus. Diabetes insipidus ( DI) (arginine vasopressin disorder), alternately called arginine vasopressin deficiency (AVP-D) or arginine vasopressin resistance (AVP-R), [ 5] is a condition characterized by large amounts of dilute urine and increased thirst. [ 1] The amount of urine produced can be nearly 20 liters per day. [ 1]
Fluid deprivation test. A fluid or water deprivation test is a medical test [ 1] 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 ...
Endocrinology. Symptoms. Lack of appetite, nausea, vomiting, abdominal pain, seizures and coma [ 1] The syndrome of inappropriate antidiuretic hormone secretion ( SIADH ), also known as the syndrome of inappropriate antidiuresis ( SIAD ), [ 2] is characterized by a physiologically inappropriate release of antidiuretic hormone (ADH) either from ...
What is diabetes insipidus? You’re no doubt aware of diabetes mellitus, which has type 1 and type 2 variations. It’s a disorder of water balance and control in the body, explains Christopher ...
In neonates, normal urine specific gravity is 1.003. Hypovolemic patients usually have a specific gravity >1.015. Decreased specific gravity (hyposthenuria, i.e. decreased concentration of solutes in urine) may be associated with renal failure , pyelonephritis , diabetes insipidus , acute tubular necrosis , interstitial nephritis , and ...
Polyuria, nocturia, and polydipsia. Nephrogenic diabetes insipidus, recently renamed arginine vasopressin resistance (AVP-R) and previously known as renal diabetes insipidus, is a form of diabetes insipidus primarily due to pathology of the kidney. This is in contrast to central or neurogenic diabetes insipidus, which is caused by insufficient ...
Central diabetes insipidus, recently renamed arginine vasopressin deficiency (AVP-D), [ 1] is a form of diabetes insipidus that is due to a lack of vasopressin (ADH) production in the brain. Vasopressin acts to increase the volume of blood (intravascularly), and decrease the volume of urine produced. Therefore, a lack of it causes increased ...
Hypopituitarism is the decreased ( hypo) secretion of one or more of the eight hormones normally produced by the pituitary gland at the base of the brain. [ 1][ 2] If there is decreased secretion of one specific pituitary hormone, the condition is known as selective hypopituitarism. [ 3] If there is decreased secretion of most or all pituitary ...