Medtronic implantable pulse generator: Versa, Dual chamber rate responsive pacemaker (DDDR), Model Number VEDR01
A subset of Medtronic dual chamber pacemakers distributed worldwide between 10 March 2017 and 7 January 2019 under the brand names Adapta, Versa, and Sensia when programmed to a dual chamber mode with atrial-sensing, may experience a circuit error that affects device functionality
Wordlwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0811-2019