Objective To evaluate the value of dual-source CT coronary artery angiography(DSCTCA)to the diagnosis of coronary artery original anomalies(CAOA).Methods A total of 1 248 patients with suspected coronary heart disease received DSCTCA to calculate the detection rate of CAOA.Results Among 1 248 patients,39patients with CAOA were detected,with the detection rate of 3.12%,in which there were 11 patients with high origin of coronary artery(including6patients with right coronary artery(RCA)originating from ascend...