With pulmonary tuberculosis, even in the early stages of the development of a specific process, changes in the cardiovascular system are noted. The high sensitivity of the vascular system to tuberculous intoxication has long been established.With the combination of active tuberculosis process with cardiovascular pathologies, great difficulties arise in connection with the need for a comprehensive antibacterial therapy for tuberculosis and the simultaneous treatment of concomitant diseases, including vascular pathology. The purpose of this article is to study the features of the course of cardiovascular lesions in patients with pulmonary tuberculosis during various periods of the disease. Of particular interest is the study of changes in the right and left parts of the heart in those cases when signs of hypertension are not detected on the basis of clinical, radiological and electro cardiographic studies