Regular and irregular heart beat graph

Atrial Fibrillation

Angie Szumlinski Studies

Atrial fibrillation is an irregular and often rapid heart rate. The heart has 4 chambers through which blood flows before being sent to the rest of the body to deliver oxygen and vital nutrients. The top 2 chambers are the atria and are important in helping blood reach the bottom 2 chambers, the ventricles. The right ventricle squeezes blood into …