Atrial fibrillation is the most common arrhythmia. A significant risk factor of stroke When atrial fibrillation occurs the heart atrium tremble irregularly and blood clots can form. When blood clots migrate to the brain and cause blood vessel blockage which leads to ischemic stroke. With doctors’ suggestions, regular treatment and blood pressure, check-ups can detect atrial fibrillation. A regular checkup can calculate average blood pressure and it will improve the measurement. Higher accuracy of blood pressure measurement can be done at home. Take short rest before measuring blood pressure.