The essence of the method lies in the fact that in the conditions of X-ray surgery under the control of X-rays on a special high-tech apparatus - an angiograph, under local anesthesia, a puncture (puncture) of the artery of the arm or leg is performed, through which a special catheter is carried out and installed at the mouth of the coronary artery, followed by the introduction of a radiopaque substance into the lumen of the artery and a digital recording of the image of the arteries.
According to the results of coronary angiography, together with the cardio team, a decision is made on the choice of treatment tactics.