Alex Trebek

Suffered a minor heart attack at 67 years old in 2007

(photo credit: Frederick M. Brown/Getty Images)

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Barbara Walters

Underwent aortic valve replacement to correct a faulty heart valve in 2010

(photo credit: Dimitrios Kambouris/Getty Images for Barneys New York)

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Bert Reynolds

Underwent a quintuple bypass surgery in 2010

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Bill Clinton

Suffered from chest pains and had two stents placed in a coronary artery in 2011

(photo credit: Bryan Bedder/Getty Images)

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Bret Michaels

Suffered a mini-stroke leading to a hole in his heart needing repair in 2011

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Charlie Rose

Underwent surgery to repair a heart valve in 2002 and then again in 2006

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David Letterman

Underwent emergency quintuple bypass surgery at 52 years old in 2000

(photo credit: Dimitrios Kambouris/Getty Images)

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Dick Cheney

(photo credit: Bruce Bennett/Getty Images)

Jennie Garth

Experiences heart fluttering that could create complications when she gets older

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Kelsey Grammer

Suffered a minor heart attack after physical exertion in 2008

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Larry King

Suffered from a heart attack and underwent quintuple bypass surgery in 1987

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Miley Cyrus

Diagnosed as a child with tachycardia, a heart condition that causes her heart to beat faster than normal

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Regis Philbin

Underwent triple bypass surgery at 75 years old in 2002

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Robin Williams

Experienced shortness of breath and had aortic valve replacement surgery in 2009

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Shaun White

Born with Tetralogy of Fallot, a congenital heart defect that affects the way blood flows through the heart

(photo credit: Earl Gibson III/Getty Images for RS)

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Toni Braxton

Suffered chest pains and diagnosed with pericarditis, an inflammation of tissue surrounding the heart, in 2003

(photo credit: GABRIEL BOUYS/AFP/Getty Images)

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