Left atrial myocardial excursions were intraoperatively recorded in patients with mitral valvular disease (33 patients with mitral stenosis and 17 with mitral regurgitations). Three types of atrial myocardial excursions were identified. There was a high correlation between the types of myorardial excursions and the incidence of heart failure. The patients with Types I and II myocardial excursions had no virtually heart failure, those with Type III showed the highest (70 %) incidence of heart failure. It is concluded that intraoperative assessment of left atrial myocardial excursions is of great significance in patients with mitral valvular disease.

The pre- and intraoperative drug maintenance was evaluated in 50 patients with mitral valvular disease and compared with the types of left atrial myocardial excursions. The maintenance with cardiac glycosides and diuretics was greatly different in 3 groups of patients with various types of left atrial myocardial excursions. In patients with Type I excursions the maintenance was minimal, in those with Type III excursions it was maximal, those with Type II excursions, it was intermediate. It is concluded that the functional characteristics of left atrial myocardial excursions may be used as an indicator of cardiac performance.

Excursions of the myocardium in its revascularization area were recorded in 70 patients with coronary heart disease. Myocardial dyskinesia correlated with low bypass blood flows, myocardial ischemia and infarction in the area of revascularization at any blood flow values. The evaluation of the diagnostic efficacy of myocardiographic symptoms suggested that myocardiography had some advantages. It was concluded that it was essential to include intraoperative myocardiography into the set of methods for examining patients with coronary heart disease during myocardial revascularizations.

Three types of atrial excursions correlating with the somatic symptoms of circulatory and respiratory dysfunctions, as well as with the degree of left atrial dilatation were intraoperatively recorded in patients with mitral valvular disease. Types I and II excursions were more common in patients with left atrioventricular stenosis. Type III in those with mitral incompetence. It is concluded that it is advisable to use left atrial myocardial excursion characteristics in the diagnosis of cardiac disease.