That is very sad

. It could have been any of a number of things, she could have had an epileptic seizure due to the strobes / flashing lights that are in RnRc. Or she could have some other condition that would cause her to black out due to the G's and become unconscious.
Shouldn't bring bad press to disneyland hopefully, as long as the media and press don't blow it out of proportion! As i doubt it was anything that disney could have prevented and was probably an existing condition that was aggravated by the attraction.
Thoughts go out to the family.