There is substantial evidence that genetic factors contribute to coronary artery disease
(CAD). Currently, family history collection and interpretation is the best method for identifying
individuals with genetic susceptibility to CAD. Family history reflects not only genetic
susceptibility, but also interactions between genetic, environmental, cultural, and behavioral
factors. Stratification of familial risk into different risk categories (eg, average, moderate, or
high) is possible by considering the number of relatives affected with CAD and their degree …