For Al-Ahmad, this new device allowed him to only use one catheter, inserted in the groin and snaked up to reach the areas of Wright's heart that were causing the AFib and the flutter.

Atrial fibrillation, or AFib, is the most common type of heart arrhythmia in the U.S., and it’s expected to affect more than 12 million people by 2030. While common treatments like beta blockers ...