Medtronic Gives Heart Docs Something to 'MARVEL' At

Based on positive study results, Medtronic is seeking a PMA supplement from FDA to expand the use of Micra to patients with AV block and normal sinus rhythm. Micra, which is touted as the world's smallest pacemaker, was approved by FDA in 2016 for patients with atrial fibrillation or other dangerous arrhythmias such as bradycardia-tachycardia syndrome.