Sorry to hear that...
It stuck with me as well, read that book 20+, almost 30+ years ago, in I think 6th grade...
But conversely, despite having been in many situations in my life where I have been in extreme pain, at a hospital/clinic, I've never had or been given morphine or oxy or anything like that.
Docs/Nurses just don't believe me, I guess because I am not screaming and flailing and moaning... because I have a higher than normal pain tolerance... they just give me acetometaphen.
1 - My FBI handler suggests you also slow down
2 - How and or why would making shrapnel include neodymium... do anything special?
... an... exploding magnet does not generally create some kind of EMP pulse.
That is maybe how video game / movie logic works, but not actual physics.