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Hypoaldosteronism causes low sodium (hyponatremia), high potassium (hyperkalemia), and metabolic acidosis, a condition in which the body produces excess acid.These conditions are responsible for the symptoms of hypoaldosteronism, which include muscle weakness, nausea, palpitations, irregular heartbeat, and abnormal blood pressure.
Pseudohypoaldosteronism (PHA) is a condition that mimics hypoaldosteronism (presenting hyperkalemia). [1] Two major types of primary pseudohypoaldosteronism are recognized and these have major differences in etiology and presentation.
Adrenal insufficiency is a condition in which the adrenal glands do not produce adequate amounts of steroid hormones.The adrenal glands—also referred to as the adrenal cortex—normally secrete glucocorticoids (primarily cortisol), mineralocorticoids (primarily aldosterone), and androgens.
Hypoaldosteronism is a clinical condition marked by either an aldosterone deficiency or impaired tissue-level action of the hormone. Angiotensin I to Angiotensin II conversion, adrenal aldosterone synthesis and secretion, abnormal target tissue response to aldosterone, and renal renin production and secretion are all potential causes of the ...
This may be the result of either previously undiagnosed Addison's disease, a disease process suddenly affecting adrenal function (such as adrenal hemorrhage), or an intercurrent problem (e.g., infection, trauma) in someone known to have Addison's disease. It is a medical emergency and potentially life-threatening situation requiring immediate ...
The treatment is a potassium-sparing diuretic, such as amiloride, that directly blocks the sodium channel. [8] Potassium-sparing diuretics that are effective for this purpose include amiloride and triamterene; spironolactone is not effective because it acts by regulating aldosterone and Liddle syndrome does not respond to this regulation.
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Aldosterone synthase is a steroid hydroxylase cytochrome P450 oxidase enzyme involved in the generation of aldosterone.It is localized to the mitochondrial inner membrane. The enzyme has steroid 18-hydroxylase activity to synthesize aldosterone and other steroids.