LOUISVILLE, Ky. (WDRB) — When it comes to sudden cardiac arrest, it is not the same thing as a heart attack. Sudden cardiac arrest happens when the heart suddenly stops beating. Each year more than ...

Why heart attack and cardiac arrest is rare but possible in kids. March 1, 2011— -- On the morning of March 26, 2008, Rebecca Knowles heard her husband cry for help from their son's bedroom.

Every year, hundreds of thousands of Americans experience what medical professionals call “silent” heart attacks—cardiac events so subtle that victims often dismiss them as minor discomfort or stress.

A team at Massachusetts General Hospital uncovered that an immune defense protein, Resistin-like molecule gamma, attacks heart cells after a heart attack—literally punching holes in them. This ...