Bo Diddley is in stable condition at a Florida hospital after suffering a heart attack. The 78-year-old artist complained of dizziness and nausea during a routine medical checkup Friday, said publicist Susan Clary.

She said Diddley suffered a heart attack after being taken to North Florida Regional Medical Center in Gainesville. The hospital is near his hometown of Archer.

Clary said the musician was in stable condition at the hospital's cardiac care unit after spending the weekend in intensive care. "He is conscious," she said. "The situation is very serious."

In May, Diddley was hospitalized in Nebraska after suffering a stroke after casino performances in Council Bluffs, Iowa. He was soon transferred to Florida for rehabilitation.