A Medtronic implant was three times better than an external monitor at detecting new atrial fibrillation in stroke patients, a new study says. The Post-Embolic Rhythm Detection With Implantable Versus External Monitoring (PER DIEM) study pitted Medtronic’s Reveal Linq implantable device, which monitors for AFib over 12 months, against the Spiderflash-T external device made by […]