Irradiating the Heart with Ions (image) Helmholtz Association Share Print E-Mail Caption The treatment of cardiac arrhythmia with ions is studied at GSI. Therefore certain areas of the cardiac tissue are irradiated. In the area of the Bragg peak (black) ions deposit their energy and the tissue becomes deserted. Credit Picture: Blausen.com staff. CC BY 3.0, remix by GSI Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.