The axial image of CCTA in subgroup A1.Sixty-one years old, female, 65 kg. Injection speed of 5.1 ml/s and injection volume of 61 ml. CT values in target vessels are as following: AO = 414.08HU, LMA = 397.76HU, LAD = 376.52HU, LCX = 358.03HU.