LOS ANGELES (AP) - May 21, 2010
His publicist, Joann Mignano, gave no other details Friday in an e-mail to The Associated Press.
Mignano previously confirmed Michaels had been diagnosed with a patent foramen ovale, or hole in the heart.
Doctors said the condition is operable and treatable and likely unrelated to the brain hemorrhage he suffered last month.
The 47-year-old, rocker-TV reality star was hospitalized this week after experiencing numbness on the left side of his body, particularly in his face and hands.