Preventing medical errors is a subject that is belatedly attracting a lot of attention.  The way in which hospitals prevent errors and manage them after they happen is undergoing a major transformation.  (See the links below to my prior posts on medial errors.) The traditional plan for error prevention in medicine can be summarized as “we should all be more careful”.  Physician autonomy and diversity of practice styles were thought to be sacrosanct and it was thought that errors could be minimi...