Flybnite
I am not the greatest expert in toxicology by any steatch, but I gather its like carbon monoxide, it takes effect and you do not realise it. I believe but I am not sure, that the O2 was used but it does not give instant relief as does hypoxia. Hypoxia you will recover from quickly, its the lack of O2, but the toxic issue is more serious, you are poisoned and you stay that way for a long time.
It ended her career. Caused a lot of nerve damage and many years to regain even normal family life.
Maybe some others out there in PROON land will have much better details than I do. Bound to be stuff on the net if you search for it, however it was apparently denied and covered up a fair bit at the time.
SQ
