Certainly, mistakes happen all the time, and hospital workers aren't immune to them, but a mistake of this magnitude--a patient given a heart and lungs from a donor of the wrong blood type--is just staggering.

Duke University Hospital earlier this week took responsibility for the error in the original transplant. Officials said although the organs were clearly labeled type-A organs at their origin, the blood type was not double-checked before the surgery.

Yahoo! News - Botched Transplant Victim Gets New Heart, Lungs