Computed Tomographic Angiography

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Introduction: Computed tomographic angiography (CTA) is recommended as a non-invasive test to determine the presence and severity of coronary artery disease (CAD). Aim of this study was to assess the accuracy of 256 slice CTA compared with invasive catheter angiography(ICA) in the diagnosis of significant CAD. Methodology: A prospective observational study in patients suspected of having CAD and undergoing both CTA and ICA for evaluation. Patients with coronary stents or surgical grafts were excluded from the study. Results: Males formed the predominant referrals and at a younger age group as compared to the east Asian and the western studies. Right sided dominance of coronary circulation was seen in 80% of patients. On segment based analysis

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