National Post | Cardiac drug may increase risk of heart failure: study National Post Dr. Samy Claude Elayi, from the University of Kentucky in Lexington, said digoxin — which is widely available in generic form — may benefit some people who have heart failure in addition to a heart arrhythmia. “But in patients that have no heart ... Digoxin linked to increased death risk in patients with irregular heart rhythm Study links heart medication digoxin to deaths Digoxin May Raise Death Risk in Afib |