Figure 1

(A,B) Example of score 1 from the 128-MSCT group: The patient, a 47-year-old man with chest pain, underwent prospectively triggered CCTA using 128-MSCT, and his BMI was 26.4 kg/m2. CCTA reconstruction is displayed in 3D VR (A) and CPR of RCA (B) with good image quality (score 1). The effective dose was 3.6 mSv.