Aldosterone in Blood

Why It Is Done

An aldosterone test is done to:

• Measure the amount of aldosterone released into the body by the adrenal glands.
• Check for a tumor in the adrenal glands.
• Find the cause of high blood pressure or low blood potassium levels. This is done when overactive adrenal glands or an abnormal adrenal growth are suspected.

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Author:	Caroline Rea, RN, BS, MS	Last Updated: July 28, 2008
Medical Review:	Caroline S. Rhoads, MD - Internal Medicine Alan C. Dalkin, MD - Endocrinology
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