Study finds Medtronic insertable cardiac monitors detect atrial fibrillation in stroke patients better than standard care

Medtronic, Inc. has announced results from the CRYSTAL AF (CRYptogenic STroke And underLying Atrial Fibrillation) Clinical Trial, which found that continuous cardiac monitoring with the Reveal® XT Insertable Cardiac Monitor (ICM) was superior to standard care at detecting atrial fibrillation (AF) in patients who have had strokes of undetermined causes (cryptogenic stroke).