A rise in Atrial Fibrillation, better known as A-Fib, is affecting 10.5 million Americans three times more than previously thought. That's out of a new report, which is actually the first national estimate in two decades, from UCSF Health.
A-Fib is a condition that causes an irregular heart beat that could lead to a stroke or worst, sudden death.
For a closer look, KCBS Radio's Patti Reising and Bret Burkhart were joined by Dr. Gregory Marcus, Cardiologist and Electrophysiologist at UCSF Health.
magicmine / Getty Images