[Topical diagnosis of disorders of the heart conduction system and surgical treatment of patients with supraventricular tachycardia].

Questions of preoperative diagnosis of the place of the disturbance of the normal heart excitation, spread of this excitation and distribution of places of the most frequent disposition of these foci in the heart depending on the pathology of the process are discussed. Sixty six patients with different kinds of tachicardia were examined, 40 patients were operated upon under conditions of artificial blood circulation. The examination of patients was performed by both routine and special methods (such as electrophysiological examination with the registration of 9 points of different parts of the heart simultaneously).