: atrial fibrillationA-fib occurs when the top chambers of the heart, responsible for bringing blood back from the rest of the body, start to flutter. — Forbes, 13 July 2009Individuals who walked two to three miles per hour … had a 32 percent lower risk of developing AFib, whereas those who walked more than three miles per hour (moderate pace) lowered their risk by 41 percent. — Food & Fitness Advisor, Nov. 2008
Comments on A-fib
What made you want to look up A-fib? Please tell us where you read or heard it (including the quote, if possible).