The Macon County Coroner's office says a Millikin University student who was found in her dorm room in August died from natural causes.
The coroner says 19-year-old Amanda Puckett suffered from an undiagnosed heart condition.
Officials say the sophomore was found unresponsive in her dorm room in late August.
She was taken to a nearby hospital in Decatur, Illinois and pronounced dead.
Puckett was a music performance major from Orland Hills.