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Heart Disease Killed Harry Kalas

Wednesday, Apr 15, 2009 | Updated 9:10 AM EST

FilmMagic

Phillies announcer Harry Kalas

Autopsy results showed that longtime Phillies' TV and radio broadcaster Harry Kalas died from heart disease.

Kalas, who died Monday, had high blood pressure and suffered from atherosclerotic cardiovascular disease, a spokeswoman at the Washington D.C. chief medical examiner's office said. The disease, in which plaque buildup restricts blood flow in arteries, is a major cause of heart attacks and strokes.

Known for his signature "Outta here!" home run calls, Kalas died after collapsing in the broadcast booth before the Phillies' 9-8 victory over the Washington Nationals. He was 73.

Kalas is survived by his wife and three sons, including one -- Todd -- who is a broadcaster for the Tampa Bay Rays.