Glands make and release hormones.
Hormones are chemicals that stimulate other cells or tissues into action. Because hormones are in your blood, they travel throughout your body. They can affect many organs at the same time.
You have two adrenal glands, one above each kidney. The adrenal glands Overview of the Adrenal Glands Glands make and release hormones. Hormones are chemicals that stimulate other cells or tissues into action. Because hormones are in your blood, they travel throughout your body. They can affect... read more release several different hormones that help control your blood pressure, heart rate, balance of water and salt, response to stress, and some male-type sex features.
In hyperaldosteronism, you have too much of the adrenal hormone called aldosterone. "Hyper-" before the word "-aldosteronism" means too much aldosterone.
The hormone aldosterone tells your kidneys to hold on to sodium and get rid of potassium. Sodium and potassium are important minerals in your body.
Causes of hyperaldosteronism include:
Usually adrenal gland tumors aren't cancerous.
Sometimes CT scan Computed Tomography A CT scan uses a large machine shaped like a large donut to take x-rays from many angles. A computer then takes the x-rays and creates many detailed pictures of the inside of your body. Each... read more or MRI Magnetic Resonance Imaging (MRI) MRI is a test that uses a machine with a powerful magnet to make pictures of the inside of your body. A computer records changes in the magnetic field around your body. The computer then uses... read more of your adrenal glands
If the blood tests are positive, doctors may need to take a sample of blood from each of your adrenal glands. Taking such a sample is done through a catheter inserted in a vein in your groin.