Kelsey Grammer by Steve Granitz/ WireImage.com Kelsey Grammer by Steve Granitz/ WireImage.com

Maybe he spoke too soon... less than a week after telling Entertainment Tonight that he was "doing fine" after his heart attack last month, Kelsey Grammer was hospitalized again for heart trouble.

Grammer was stumping for his new movie Swing Vote in New York when he felt faint and was taken to the hospital. According to ET, the actor's heart medication could be to blame. The actor's rep told Us that he was expected to be released Tuesday. - Nina Hämmerling Smith

Related:
" Kelsey Grammer: Heart Attack Almost Killed Me