Aldosterone Test
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| Aldosterone Test : What is an aldosterone (ALD) test? An aldosterone test measures the amount of aldosterone (ALD) in your blood or urine (pee). ALD is a hormone made by your adrenal glands, two small glands that sit above your kidneys. ALD helps keep your blood pressure stable. It does this by helping to balance the levels of two electrolytes in your blood, sodium and potassium. If your blood pressure gets too low, ALD signals your kidneys to release more sodium into your blood and to get rid of potassium through urine. This helps keep more water in your bloodstream, which makes your blood pressure increase. When your blood pressure returns to normal, your ALD levels decrease. Abnormal ALD levels can cause serious health conditions, including: - High blood pressure - Low blood pressure - Complications from abnormal levels of sodium and potassium, which can affect your heart, kidneys and other parts of your body ALD testing may be used with other tests to help diagnose adrenal gland disorders. It can also help find out if other medical conditions are affecting the way your adrenal glands work. An ALD test is commonly combined with a test that measures renin levels in your blood. This is called an aldosterone-renin ratio test. Renin is a hormone that your kidneys make when your blood pressure gets too low. It's part of a complex system that triggers your adrenal glands to make ALD. Comparing renin and ALD levels helps show whether abnormal levels of ALD are caused by a problem with your adrenal glands or a problem with your kidneys or other parts of the system that triggers the production of ALD. Other names: aldosterone, serum; aldosterone urine; aldosterone-renin ratio test; aldosterone-plasma renin activity | |
| Review Date: 24/09/2024 | Updated By: |