An 18-year-old man with fever and chills is sent home from the emergency room with Tylenol and later dies of sepsis, a blood infection. A 42-year-old woman with chest pains is discharged, only to suffer a heart attack two hours later. A 9-year-old girl's appendix ruptures after doctors rule she's just got a bellyache.
Find out what hospitals are doing to prevent more mistakes like these:
Hospitals overhaul ERs to reduce mistakes