Magnetic resonance imaging (MRI) may cause tissue heating in patients implanted with pacemakers, cardioverters/defibrillators, or similar medical devices. As a consequence, these patients, whose number is increasing every year, are often preventatively excluded from MRI investigations. The issue has been studied for several years now, in order to identify the mechanisms involved in heat generation, and define safety conditions by which MRI may be extended to patients with metal implants. In this sense, numerical studies not only widen the range of experimental measurements, but model a...