<s>[INST] A 40 year old man has a family history of sudden cardiac death and is concerned that he may be at risk of having a similar event. He is a non-smoker, has never been diagnosed with high blood pressure or diabetes, and has never had a heart attack or stroke. He is physically active and has a normal body mass index (BMI). His electrocardiogram (ECG) is normal, and his cholesterol levels are within the recommended range. What is the appropriate management of this patient's concern?[/INST]