Heart rhythm conditions are often a sign of an underlying issue, and may even pose problems in themselves. So what are some of the most common heart rhythm conditions?   Atrial Fibrillation Atrial fibrillation (AF) occurs when the atria, or upper chambers of the heart, begin to...

The two sides of the heart work in opposition to each other. The right side of the heart takes in deoxygenated blood from the body and feeds them to the veins and lungs; the left side carries the oxygen and nutrient rich blood from...