New details about Hulk Hogan's health have emerged after his death. Hogan's cause of death was officially ruled a heart attack, with medical documents also revealing his history with leukemia.

Hulk Hogan was battling leukemia at the time of his death, according to medical records obtained by PEOPLE on Thursday, July 31. His cause of death was also shared, revealing he died of a heart attack.

Hulk Hogan, 71, Hogan, 71, was pronounced dead at a hospital less than 90 minutes after medics arrived at his home in Clearwater, Florida.