Coronary arterial calcification occurs almost exclusively in atherosclerotic arteries, and is usually not seen in the normal vessel wall. So, the presence of any CAC is specific for atheromatous coronary plaque. As CAC can be present in both obstructive and nonobstructive lesions, CAC is not specific for obstructive coronary disease. Demographic details of the patient with history of risk factors, such as diabetes, hypertension, treatment for hypertension, dyslipidemia, smoking and positive family history was collected using a questionnaire which was part of the clinical research form. Indication for referral was noted. Among patients with coronary artery plaque (n=28), the left anterior descending artery (LAD) was the most commonly involved vessel (48%) followed by the right coronary artery (18%).