AFib, or atrial fibrillation, is one of the most common forms of heart disease, and a common indicator that other heart problems may be lurking beneath. “It’s really critical that you not ignore what could be symptoms of AFib, and address the problem right away with your cardiologist,” says Dr. Ajay Krishen, a cardiologist with McLaren Port Huron. As a cardiac electrophysiologist, Dr. Krishen meets and treats patient with AFib every day, a condition that 12.1 million people across the country live with....