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Doctor insights on: Serum Aldosterone

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Dr. Ihab Ibrahim
5 doctors shared insights

Serum Aldosterone (Overview)

Aldosterone is a steroid hormone (mineralocorticoid family) produced by the outer section (zona glomerulosa) of the adrenal cortex in the adrenal gland. It is involved in blood pressure regulation, potassium balance, and fluid balance.


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What is the definition or description of: serum aldosterone?

What is the definition or description of: serum aldosterone?

Hormone: Aldosterone is a steroid hormone (mineralocorticoid family) produced by the outer section (zona glomerulosa) of the adrenal cortex in the adrenal gland. It is involved in blood pressure regulation, potassium balance, and fluid balance. ...Read more

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Dr. Ihab Ibrahim
5 doctors shared insights

Serum Aldosterone (Overview)

Aldosterone is a steroid hormone (mineralocorticoid family) produced by the outer section (zona glomerulosa) of the adrenal cortex in the adrenal gland. It is involved in blood pressure regulation, potassium balance, and fluid balance.


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Why might someone's aldosterone level be elevated?

Why aldo level high?: 40 F asks why might aldo be elevated. Many reasons: low salt intake, dehydration, BP meds, pregnant. If high BP also may have Conn's Syndrome or Renal Artery stenosis. But need more info to help. Send me a consult. ...Read more

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What is the definition or description of: aldosterone?

What is the definition or description of: aldosterone?

Hormone: Aldosterone is a steroid hormone (mineralocorticoid family) produced by the outer section (zona glomerulosa) of the adrenal cortex in the adrenal gland. It is involved in blood pressure regulation, potassium balance, and fluid balance. ...Read more

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How do diuretics inhibit the action of aldosterone?

Counteracts effects: Aldosterone is a hormone produced by the body which acts to reabsorb sodium from the urine, which is very helpful during periods of dehydration. Diuretics counteract this activity by promotng sodium excretion in the urine. There are many types of diuretics but some like spironolactone directly inhibitthe activity of aldosterone. ...Read more

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What's a 2 hour supine aldosterone test looking for?

A cause of high BP: It is not very useful used alone without testing for plasma renin activity. Ask your doctor why he is recommending it. ...Read more

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What's the function of the aldosterone hormone?

Function Aldosterone: 48 F form MI asks what is "function" of aldosterone. Its first function is to keep you from dying of salt depletion. Second it keeps you from dying of high blood potassium. It acts on the kidney to increase salt (Na) retention when your body salt is too low: such as from diarrhea, vomiting, sweating, low alt diet. If you have no aldo you die of salt depletion unless you eat salt by handful. ...Read more

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Who should avoid taking an aldosterone antagonist?

A few things: People with severe kidney problem (stage iv-v) or those with high level of potassium should not be taking aldosterone antagonist. ...Read more

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Does acth causes both aldosterone and cortisol secretion?

Does acth causes both aldosterone and cortisol secretion?

ACTH ALDO Cortisol: I have seen two families in which ACTH is the major driver for aldo production. They have the syndrome called GRA (Glucocorticoid Remedial Aldosteronism) caused by a cross over mutation in the genes controlling aldo production so that the major controller of aldo is ACTH. As you are young and making this question if you also have HTN your team should consider this. Many do not have low K. ...Read more

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What is the primary function for the release of aldosterone and angiotensin ii?

CHF: These are secreted by the body intent on increasing intravascular volume. They can be an appropriate compensatory mechanism when volume is low, or they can aggravate hypertension and chf, when they become excessively secreted. ...Read more

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Why might aldosterone levels be elevated?

Aldosterone: Tough to answer in a short space. Please go online and type in "elevated aldosterone levels". Start at the top and slowly work your way down. It might be hard at first but the more you read the more you will understand. There is also a section "Images" but that is much more difficult to fully understand. ...Read more

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What would cause high aldosterone levels test of 171? Should there be a concern.... Thanks

Correct measurement: Aldosterone levels vary quite a bit with even position. First make sure that it is measured correctly. Truly high levels of aldosterone may be related to overgrowth or tumor in the adrenal gland, or be secondary to high renin levels driving higher production. Further labs and imaging may be needed to accurately diagnose. Discuss with your doctor. ...Read more

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What does "plasma aldosterone concentration" mean?

What does "plasma aldosterone concentration" mean?

Aldo concentration?: The concentration of a analyte is the amount of the substance in a specified volume of blood. So is Aldo concentration is 10 it may mean there are 10 ng/ml. Different labs express if differently as well. So best to ask your team what values your lab uses ...Read more

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Does 10 in a range 15-70 aldosterone 24h urine result means anything?

Does 10 in a range 15-70 aldosterone 24h urine result means anything?

Aldo of 10: In order to be able to interpret an aldo level in the urine you must know your salt intake measured in that 24 hr urine. If urine Na is low then this is a low urine aldo as low salt in diet increases aldo. If your salt intake is high then this may be a normal urine aldo. You must ask the lab that did the test for their normal range based on salt intake. Has K ever been low? This may lower aldo ...Read more

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Is it possible for aldosterone to make urine hypoosmiotic and concentrated?

Physiology: Hi. Aldosterone is primarily there to regulate renal handling of sodium, potassium, and acid. Urine concentration/osmolality is more a function of anti-diuretic hormone (ADH) regulating tubular luminal (phenobarbital) water channels and the ambient solute gradient in the loop of Henle. Water follows sodium in general, but the kidneys place quite a degree of regulation on this, so aldo has trivial effect on conc. ...Read more

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Aldosterone was 2 ng/dL (fasted, early morning, upright) is this normal or low? Does it warrant further testing? Cortisol was high/normal 22.2 mcg/dL

Aldosterone was 2 ng/dL (fasted, early morning, upright) is this normal or low? Does it warrant further testing? Cortisol was high/normal 22.2 mcg/dL

More history: I don't know much about your history or what has caused you to have this testing in the first place so I won't be of much help, BUT the aldosterone level is low and may warrant further testing for Cushing's syndrome, 17-alpha-hydroxylase deficiency,Liddle's syndrome,ectopic ACTH syndrome, or mutations of your mineralcorticoid receptors. You need to talk to your doctor for more direction. ...Read more

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I have been taking spiro for hyperaldosteronism for a year. By now has my aldosterone level returned to normal and will i ever be able to stop taking ?

It is unlikely : If you have conn disease you will likely need for long. But have to know if your hyperaldestronism is temporary to suggest duration of treatment. ...Read more

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Would aldosterone secretion increase during saline intake?

Would aldosterone secretion increase during saline intake?

Saline intake aldo: Well depends on how much saline you are intaking. If you mean infusion IV or a very large salt meal aldo will go down within minutes unless you have a problem like an adrenal adenoma making too much aldo (and HTN). or a renal artery stenosis causing HBP. I can think of no reason it would go up unless the before and after saline infusion bloods were mixed up. ...Read more

Dr. Narina Baburyan
364 doctors shared insights

Aldosterone (Definition)

Aldosterone is a steroid hormone (mineralocorticoid family) produced by the outer section (zona glomerulosa) of the adrenal cortex in the adrenal gland. It is involved in blood pressure regulation, potassium ...Read more


Serum (Definition)

Serum is the component of blood that does not contain cells or clotting factors. It does contain electrolytes an ...Read more