Clinical history suggestive of CHD who are referred by their primary cardiologist for further evaluation via Computed tomography angiography (CTA) will be asked to participate.
Women of child bearing potential must demonstrate a negative pregnancy test within 24 hours of the study CTA.
Ability to understand and willingness to sign the Informed Consent Form.
You may not be if
Known allergy to iodinated contrast media.
History of multiple myeloma or previous organ transplantation
Elevated serum creatinine (\> 1.5mg/dl) OR calculated creatinine clearance of \< 60 ml/min (using the Cockcroft-Gault formula
Atrial fibrillation or uncontrolled tachyarrhythmia, or advanced atrioventricular block (second or third degree heart block)
Evidence of severe symptomatic heart failure (NYHA Class III or IV);
Known or suspected moderate or severe aortic stenosis
History of prior percutaneous coronary intervention (PCI) in one or more vessel or history of coronary arterial bypass grafting (CABG)
Suspected acute coronary syndrome
Presence of any other history or condition that the investigator feels would be problematic