Your cardiologist may recommend one or more tests to develop a treatment plan. 30-Day Event Recorders 4-Hour Holter Monitors Arterial Vascular Study Lower Extremity Dobutamine Stress Test with Echocardiography Imaging or Nuclear Imaging Echocardiogram Electroencephalogram (EEG) Electrocardiogram (ECG) Exercise Stress Test Lexiscan Stress Test Transesophageal Echocardiogram (TEE)