On the basis of the demonstrated mathematical valuations of pathologo-anatomical influence sizes on the defined myocardial infarction the model is extened by the calculation of total numbers for the purpose of simpler use in medical practice. The statistical influence of the characteristics on the formation of the arithmetical measure medium XI of the group with infarctions for the position of the stenosis times degree of stenosis is determined left-sided with 30.0% and right-sided with 42.3%, the heart mass is determined with 25.9% and the barriers of the ostium as well as the type of supply with 1.8%. For the judgment of the functional capacity of the developed model it is used in 126 intravitally coronarographed patients, in whom no myocardial infarction was to be proved. The false coordination is 4 cases (3.2%). Consequently, the developed model is evident not only for the initial material. It is usable post mortem and intravitally. Apart from the judgment of the severity of the stenosing coronary arteriosclerosis it serves intravitally for the estimation of the endangering by myocardial infarction. Criterion for the estimation of the degree of endangering is the distance from the point of separation TP = 558 (values of the arthmetical measure) and TP = 122 (total number).