Ultrasound automated method 1 for measuring the thickness of the walls of the left anterior descending, right and circumflex coronary arteries, the ultrasound automated method 1 being implemented by means of an apparatus 100 comprising: an ultrasonic device 10, a tracking system 12, comprising the ultrasonic device 10, a QI system 16, a 3D generator 17, a cross section generator 18, a display driver 19, a display 20. The ultrasound automated method comprises: a first step 2 defining a fixed frame of reference, a second step 3 wherein the tracking system 12 detects the position of the ultrasonic device 10 in respect of the fixed frame of reference, a third step 4 wherein the tracing system 12 records a set of 2D images, to be transmitted by the ultrasonic device 10 to the database of the QI system 16 structure: a fourth step 5 wherein the reference sensor 15 is placed over the arterial walls, selecting the proximal and distal walls of the arteries; a fifth step 6 wherein the QI system 16 selects the length of the walls to be measured in order to proceed to thickness determination; a sixth step 7 wherein a software allows to investigate over the length of the selected coronary segment, the mean arterial thickness AT and lumen area LA.
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