The Global Atrial Fibrillation Surgery Market was worth USD 1.02 billion in 2016, and is expected to grow at a CAGR of 14%, to reach USD 1.98 billion by 2021. Atrial Fibrillation is an abnormal rhythm or quivering of the heart caused by irregular beating of the atria. This condition of heart can lead to stroke, blood clots, heart failure and other heart related issues. The symptoms include fainting, chest pain, shortness of breath and heart palpitations.