Cardiac CT angiography ( CTA) can be very useful in the evaluation of patients who have a strong family history of early-onset heart disease to determine if their coronary arteries are blocked or narrowed by the buildup of plaque or to rule out abnormal coronary artery anatomy. Calcium scoring can help better assess their risk of heart disease and can help tailor medical therapy.Listen in as Robert Pelberg, MD., explains these diagnostic procedures and when to refer to a specialist.