Francis Ford Coppola's treatment sheds light on heart condition affecting millions

Francis Ford Coppola, director of "The Godfather," was hospitalized in Italy last week for a non-emergency cardiac procedure.

The filmmaker, 86, sought to update a "30-year-old AFib procedure," according to a post on his Instagram page.

AFib, or atrial fibrillation (AFib), is an "irregular and often rapid heart rhythm" that can raise the risk of blood clots, heart failure, stroke and other heart-related complications, according to the American Heart Association.

HEART ATTACK DEATHS HAVE PLUMMETED IN US...