Heart disease increases the risk for life-threatening cardiac emergencies like a cardiac arrest or heart attack. Ensure good health of your ticker by keeping your blood pressure and cholesterol levels in check. High blood pressure and high cholesterol are the biggest heart disease risk factors. Tests to diagnose heart/cardiovascular disease depend on the condition that your doctor thinks you might have. A doctor will likely perform a physical exam and ask about your personal and family medical history before performing any tests. Apart from blood tests and a chest X-ray, tests to diagnose heart disease include Electrocardiogram (ECG), Echocardiogram, Holter Monitoring, Stress Test, Cardiac Catheterization, Cardiac computerized tomography (CT) scan and Cardiac magnetic resonance imaging (MRI). Treatment: Cardiovascular disease treatments vary by condition. For example, individuals with heart infection are likely to be given antibiotics. Treatment usually includes lifestyle c...