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New Scan Detects Hidden High Blood Pressure Cause
30 Nov, 2025
Summary
- A new scan identifies a hidden cause of hypertension.
- Aldosterone over-production is a common, undiagnosed issue.
- The scan could lead to better treatments for millions.

Researchers at University College London have unveiled a pioneering scan that offers hope to millions affected by difficult-to-manage high blood pressure. This novel imaging technique targets a hidden cause of hypertension, specifically issues with adrenal glands overproducing the hormone aldosterone. Current diagnostic methods are invasive and limited, leading to many patients missing crucial diagnoses.
The new scan utilizes a specially designed radioactive tracer and 3D imaging to precisely locate the source of aldosterone over-production. This breakthrough, published in the New England Journal of Medicine, is expected to significantly improve diagnostic accuracy and enable more targeted treatments for hypertension.




