Coronary Computed Tomography Angiography (CTA) and Coronary Angiography (CAG) in the investigation of Coronary Artery Disease (CAD): A Retrospective study

Coronary angiography (CAG) is the conventional procedure, considered gold standard for examination of coronary arteries. Being a standardised CAG comparatively safer but an invasive procedure. Therefore, it carries some amount risk compared to computed tomography (CTA). CTA new technique non-invasive and reported be as or more accurate efficient functional stress test in diagnosis CAD comparable CAG. In this retrospective study, we have analysed data 76 patients who underwent CTA. Further 18 from these 76, especially with higher percentage stenosis Thus could used screening (non invasive) method exam