chest pain,

shortness of breath,

syncope or equivocal stress testing including exercise ecg,

myocardial perfusion imaging, or stress echocardiography unable to exclude significant coronary artery disease.

all patients will provide written and oral consent to ctca.

patient agrees to participate and signs the informed consent

usually renal insufficiency (serum creatinine >120 mol/l),

contraindications to the administration of iodinated contrast,

pregnancy, acute coronary syndromes,

and ventricular and/or supraventricular arrhythmias.