NEWS Radiation therapy effective against deadly heart rhythm The Source • September 15, 2019November 11, 2020 Clifford Robinson, MD, (right) and Phillip Cuculich, MD, have developed a noninvasive radiation therapy approach to treating ventricular tachycardia, a deadly heart arrhythmia. Visual and electrical maps of the heart help direct a beam of radiation at the heart tissue triggering the heart to misfire. (Matt Miller/Washington University) View Content