Houston ? Enron founder Ken Lay had severely clogged arteries and had suffered at least two heart attacks before he died.

That’s according to autopsy results released Wednesday that blame severe coronary artery disease for Lay’s death. Lay and his wife, Linda, were vacationing near Aspen, Colo., when he died.

The report said Lay was last seen alive by his wife at 1 a.m. on July 5, when he woke up and went into a bathroom.

Minutes later, she heard a “thump,” and found him on the floor, the report said. He had vomited and showed signs of having a seizure. He was dead upon arrival at a local hospital.

Lay, 64, was convicted along with former Enron chief executive Jeffrey Skilling of fraud and conspiracy for lying to investors and the public about Enron’s financial health. The energy company collapsed in 2001.

Lay also was convicted of one count of bank fraud and three counts of lying to banks in a separate, non-jury trial.