Terrible thing to see such a great athlete pass away at 56 from a Heart Issue.
That being said, Exercising and being in great shape DOES NOT guarantee that you will not have a heart issue. I know of more than a few instances where Healthy people who were running competitive times or playing Soccer regularly had to have emergency bypass surgery. These people were not anywhere near the stereotypical idea of an Obese person who was a couch potato.
Many of these individuals came from a Family with a history of high cholesterol, blood pressure, etc. They assumed that because they were exercising and able to perform at a high level, they were not suffering from blockages in their arteries.
In fact, Cholesterol is a silent killer. A person could be walking around with no side effects and be at high risk.
I highly recommend any of you who have a familial history of high cholesterol to not only do your regular blood work, but also to get a CT Scan to learn your calcium score. In many instances, your insurance will pay for it- especially if your Doctor wants the scan done because of your Family History.
I had my scan done when I turned 50 and because of it, I was able to take preventative measures before I needed a surgical intervention or, even worse, had an unforseen event happen.
Please consider doing this when you get your next Annual Checkup. It might save you some serious issues later on down the road.