This study compares traditional non-invasive tests such as stress-ecg, modern non-invasive tests such as holter-analysis, modern ECG analysis, stress-ecco cardiography and tissue Doppler against the gold standard today for assessing coronary artery disease, coronary angiography, in patients with type 2 diabetes and at least one cv-risk factor (i.e smoking, premature familial coronary artery disease (CAD)), hypertension) irrespective of symptoms or signs of CAD.