Errors of the Past -- And What Hospitals Are Doing to Prevent Future Mishaps.
Wrong-side amputations. Patient mix-ups. Equipment left inside patients' bodies.
Fortunately, the chance of a serious mistake occurring during any given medical procedure is small. But these errors do happen -- and due to the sheer number of medical procedures that take place in the country every year, they add up. A report last April by the independent health care-ratings company HealthGrades found through Medicare hospitalization records that nearly 3 percent of patients in the nation's hospitals risk experiencing hospital errors.
ABC News: Horror in the ER: Medical Mistakes