It's been six days since Buffalo Bills player Damar Hamlin collapsed on the field in front of millions. Many feared the worst. But just two days after suffering a cardiac arrest, he woke up and has ...

AEDs, or public defibrillators, are designed to be used by anyone. Try to stay calm and follow the directions that the device gives you. Share on Pinterest Aria sandi Hasim/Getty Images A ...

Dr. Mehmet Oz demonstrates how to operate an automated external defibrillator, which helped save the life of celebrity trainer Bob Harper during a heart attack. When "The Biggest Loser" trainer Bob ...

What is an AED? Here's why it can save lives. (Photo: Getty Images) About 90% of the 350,000 cardiac arrests that happen outside a hospital each year are fatal. However, a simple medical device, an ...

Sudden cardiac arrest is the leading cause of death here in the U.S. On average less than 10 percent of victims survive. AED devices are all around us, but do you know how to use them? An app on your ...

Defibrillators are used when a person is in cardiac arrest to restore a normal heartbeat, but would you know what to do if an alarming incident occurs? According to the British Heart Foundation, there ...

July 26, 2010 — -- This morning on "Good Morning America," ABC News' senior health and medical editor Dr. Richard Besser demonstrated the proper way to use an automatic external defibrillator ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ST. LOUIS – February is American Heart Month ...

Jon LaPook, M.D. is the award-winning chief medical correspondent for CBS News. Since joining CBS News in 2006, LaPook has delivered more than 1,200 reports on a wide variety of breaking news and ...