Health Proton beam therapy proves safe for treating refractory ventricular tachycardia by Dr Natalie Singh - Health Editor May 1, 2026 by Dr Natalie Singh - Health Editor May 1, 2026 An early feasibility study presented at Heart Rhythm 2026 suggests that noninvasive proton beam therapy is safe for treating refractory ventricular tachycardia (VT). In a small cohort of seven patients, … 0 FacebookTwitterPinterestEmail