Tissue Sodium Quantification in Patients With Primary Aldosteronism: See Sodium to Treat

This study uses a special type of MRI to measure how much sodium is stored in the body's tissues in people with primary aldosteronism — a condition where the adrenal glands produce too much aldosterone, a hormone that causes the body to retain sodium and raise blood pressure. High tissue sodium may contribute to heart and kidney damage. **You may be eligible if:** - You are between 21 and 70 years old with high blood pressure, or you are suspected of having primary aldosteronism based on specialist guidelines - You are willing and able to consent **You may NOT be eligible if:** - You have implanted metal devices (pacemaker, cochlear implant, surgical clips, etc.) that are not MRI-safe - You have iron-based tattoos or other metal in your body - You feel very anxious in enclosed spaces (claustrophobia) - You are pregnant - You have severe heart failure (NYHA class III or IV) - Your kidney function is significantly reduced (eGFR below 30) or you have significant protein in the urine - You have severe liver disease or muscular dystrophies Talk to your doctor to see if this trial is right for you.