Knowing the difference between a heart attack and a cardiac arrest could save a life. Do you know which one is which?

Exclusive: ‘I just went into autopilot really, thinking I can’t let this boy die in my house,’ said Lucinda-Hill Chambers ...

Finally, a dancer cried out: "Stop the music!" A group of people rushed to the stage. Someone recognized that Hunter's heart had stopped. She was in cardiac arrest. One audience member started ...

Katisha Vertrees was only 28 when doctors told her a kidney transplant was her best hope of living to see her 30s.