How can my medical history help when diagnosing coronary artery disease?

Very essential: The medical history helps a great deal, the nature of the pain, the factors that bring it on, the location, the severity, the factors that relieve it, your family history, whether or not you smoke or use cocaine, what your other medical problems may be; all help in determining your risk of having coronary artery disease. This is referred to as the pre-test probability of the disease.