Atrial flutter is a type of irregular heartbeat, or an arrhythmia. It causes your heart to beat too fast. Atrial flutter doesn't always have symptoms, but it can sometimes have serious consequences if ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Mari Uyehara and Samantha Schoech The thrill of seeing one’s name emblazoned ...