Since 2011, the BJC Medical Group Arrhythmia Center has been caring for an increasing number of patients suffering from abnormal heart rhythms. Abnormal heart rhythm can lead to stroke, heart failure and sudden cardiac arrest. That's why it's so important to take good care of your heart. The expert providers at the Arrhythmia Center are available to help you keep your heart in as healthy as possible. Patients at the Arrhythmia Center have access to the top physicians, with cutting-edge treatment options at their fingertips.