Diddley, 78, suffered a stroke in May and was undergoing a medical check up at the North Florida Regional Medical Center in Gainesville this past Friday when he began feeling ill. He was taken to the emergency room where he suffered a heart attack.

Doctors performed surgery on the music legend, inserting a stent to improve cardiac blood flow. A spokesperson for the medical center said that he was moved from intensive car to cardiac care on Tuesday. - earlier story on the stroke