How does Gayle's heart look? "Gayle has very sexy arteries," Dr. Jill Jacobs, the radiologist who performed Gayle's test, jokes.

Dr. Jacobs explains that Gayle has very tiny amounts of small plaque, but that they are not much of a threat. "I'm very happy that everything looks good," Dr. Jacobs says.

It's normal to feel nervous, but not okay to forgo this vital checkup. "Don't be one of those crazy people who doesn't want the information," Oprah says.

Download a printable illustration of how a heart attack occurs.

"It's about empowerment," Dr. Oz agrees. "The whole process [is about] getting people to understand what's happening inside of them. But I've got one word of caution. As beautiful as the scan is, remember it's a snapshot. It's telling you what's happening today in your life."

Should you get a CT angio test? The answer…and more FAQs debunked from Dr. Oz and Dr. Michael Roizen!

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