(CBS News) Rosie O'Donnell says she is "lucky to be here" after suffering a heart attack last week.

O'Donnell, 50, detailed the experience on her blog Monday, saying that she helped lift an "enormous woman" out of her car on August 14 - and that a few hours later, her chest ached, her arms were sore, she became nauseous and had clammy skin.

She initially thought she had pulled a muscle, she continued, but then added in her free-verse writing style, "Maybe this is a heart attack/i googled womens heart attack symptoms/i had many of them/but really? - i thought - naaaa."

O'Donnell said she took some Bayer aspirin ("Thank god/saved by a tv commercial/literally") and went to a cardiologist the next day.

She said her coronary artery was 99 percent blocked. A stent was inserted.

"They call this type of heart attack/the Widow maker/i am lucky to be here," she wrote. "Know the symptoms ladies/listen to the voice inside/the one we all so easily ignore/CALL 911/save urself."

A rep for O'Donnell told Us Weekly that she is now "home and resting comfortably." Earlier this month, she revealed that her fiancee, Michelle Rounds, was diagnosed with desmoid tumors.

The comedian recently hosted "The Rosie Show" on the Oprah Winfrey Network. It was canceled in March.

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