Dr. Macy Smith is a Top Cardiac Electrophysiologist in Birmingham, Alabama specializing in the treatment of Atrial Fibrillation and other arrhythmias. Atrial fibrillation is the most common heart irregularity or cardiac arrhythmia that Dr. Smith treats. He is a Fellow of the American College of Cardiology (FACC) and Heart Rhythm Society (FHRS), one of the highest membership levels attainable.