Premature Atrial Complexes (PACs) Causes and Treatment
Premature atrial complexes (PACs) are extra heartbeats in the atria. The atria are two chambers in the heart that receive blood from the veins. PACs are the most common variety ofcardiacarrhythmias. Verywell / Cindy Chung This is when the heart beats irregularly, too slow, or too fast. An estimated 50% of all people with or without heart disease have PACs. While PACs themselves are usually harmless, some research suggests they may be associated with increased cardiovascular risk....