Maintain at least the recommended distance between the item and your heart device:
30cm (12 inches) distance
Car or motorcycle – from ignition system components
Electric fence
Electric pet containment fence – from buried wire and indoor antenna
Electrical transformer box
60cm (2 feet) distance
Metal detector – from the search head
Induction hob
Not recommended
Abdominal muscle stimulator (TENS-type ab belt)
Electronic body fat scale
Magnetic mattress pad or pillow