(CBS) Heart attacks can be prevented -- or at least made less likely -- if people take care of themselves, heed their risk factors -- and seek treatment when called for.

To highlight it, The Early Show initiated a series called "Early Intervention: Cardiac Arrest."

CBS News correspondent Jeff Glor and Dr. Christie Ballantyne, a cardiologist at Houston's Methodist Hospital, and Dr. Steven Gubin, a cardiologist at Baptist Memorial Hospital in Memphis, visited mall food courts seeking people eating unhealthy foods, or who were overweight, or who had other potentially problematic signs, and offered to check out their heart disease risk.

They agreed to undergo CT scans to help assess their heart health. The doctors checked the images the scans produced for signs of calcium, which indicates the presence of artery-clogging plaque.

Glor reported on the results.

If you live in the Memphis area and want to have a scan to check on the calcium levels in your cardiac arteries, call (901) 226-5905.

Monday, Feb. 18, 2008

There was cause for concern in the scan results of Houston food court patron Lissa Shivers, and she has numerous cardiac risk factors. She called the wakeup call a "life-altering experience" on The Early Show. Ballantyne described the steps Shivers has already taken and intends to take as she vows to turn things around. To see the Early Show report, click here.

Friday, Feb. 15, 2008

One of the people Glor and Gubin met at the mall underwent a CT scan live on the show, then Gubin initerpreted ther results. He did the same for others he and Glor spotted at the mall. To see the video, click here.

Thursday, Feb. 14, 2008

Glor and Gubin sought to help five Memphis residents they met at a mall.

Glor also reported on a Memphis resident who came very close to suffering a heart attack less than two months ago, before getting two stents to open heart blood vessels in an emergency procedure. He was treated at Methodist Le Bonheur Germantown Hospital's emergency room, then was rushed into the hospital's catheterization lab, where he received the double-stent. To see the video, click here.

Tuesday, Feb. 12

Glor was there as one patient had a CT scan and Ballantyne interpreted the results on live TV. Despite significant risk factors, the test showed some worrisome signs, but not overwhelmingly so. Ballantyne explained all. To see the segment, click here. Ballantyne then went over the results of another high-risk woman's scan, and these were of much more concern. To watch that segment, click here.

Monday, Feb. 11

Glor told the story of Kent DePriest, of the Memphis suburb of Cordova, Tenn. DePriest has a significant family history of heart disease, and a wife, Donna, who's a cardiac nurse -- and had a feeling her husband was heading for trouble, despite an exceptionally healthy lifestyle. It turns out she was right -- and Kent wound up going under the knife in the nick of time.

To see DePriest's story, click here.

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