Originally Posted by
radeng
I was told that pacemakers in bulk are considered 'hazardous cargo'. The energy delivery ability of their batteries is small, though - a few milliamps at most, purposely in case it goes wrong. Back some 30+ years ago, there were some plutonium powered pacemakers and thus the 'hazardous cargo' designation, even though such pacemakers haven't been made since the early 1980s.
I'm sure the IATA Dangerous Goods Manual would distinguish between radioactive and non-radioactive versions. I don't have a copy to hand but I would doubt that an entire product range would bear the designation of the most dangerous iteration.