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The causes of SIADH are commonly grouped into categories including: central nervous system diseases that directly stimulate the hypothalamus to release ADH, various cancers that synthesize and secrete ectopic ADH, various lung diseases, numerous drugs (carbamazepine, cyclophosphamide, SSRIs) that may stimulate the release of ADH, vasopressin ...
SIADH causes HYPOnatremia not HYPERnatremia, since the nephrons don't allow the loss of as much water as they should. They still lose the sodium, so since the sodium level drops but the water level doesn't drop as fast, HYPOnatremia delvelops. As far as I could see, the article does call, it HYPOnatremia, which is correct.
V 2 R antagonists have become a mainstay of treatment for euvolemic (i.e., SIADH, postoperative hyponatremia) and hypervolemic hyponatremia (i.e., CHF and cirrhosis). [9] V 2 RAs predictably cause aquaresis leading to increased [Na +] in majority of patients with hyponatremia due to SIADH, CHF, and cirrhosis. The optimum use of VRAs has not yet ...
More severe hyponatremia (levels less than 120 mEq/L), particularly if it develops rapidly (defined as occurring over less than 48 hours), can cause confusion, seizures and even lead to death ...
Mineralcorticoid excess due to a disease state such as Conn's syndrome usually does not lead to hypernatremia unless free water intake is restricted. Salt poisoning is the most common cause in children. [16] [17] It has also been seen in a number of adults with mental health problems. [11] Too much salt can also occur from drinking seawater or ...
Type A (essential hypernatremia syndrome) involves an increase of the level in which solvent molecules can pass through cell membranes (osmotic threshold) for vasopressin release and the activation of the feeling of thirst. This is the most characterized sub-type of adipsia, however there is no known cause for Type A adipsia.
This means that psychogenic polydipsia may lead to test results (e.g. in a water restriction test) consistent with diabetes insipidus or SIADH, leading to misdiagnosis. [14] Dry mouth is often a side effect of medications used in the treatment of some mental disorders, rather than being caused by the underlying condition. [15]
Treatment of tea and toast syndrome is centered primarily around resolving hyponatremia. Treatment choice depends on the type of hyponatremia. [2] Traditional treatment for hyponatremia depends on the volume load in the person. For those who are euvolemic (normal body volume load), fluid intake should be restricted.