Do you need anticoagulation if you have a pacemaker?

Each year, an estimated 1.25 million pacemakers and 410 000 implantable cardioverter-defibrillators are implanted worldwide. Clinical trials suggest that ≈25% of pacemaker and 35% of implantable cardioverter-defibrillator patients receive long-term oral anticoagulation (OAC). 20 May 2014