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Clinical assessment of the functional state of the myocardium in artificial hyperthermia

In recent years, artificial short-term hyperthermia of the body (KG) has been widely used in a complex of therapeutic and preventive measures against diseases of the circulatory system, including myocardial infarction [7], in the treatment of malignant tumors [3] and as a non-specific means of sports training [6]. However, there have been reports of cases of acute coronary insufficiency and sudden death due to KG [13], the possibility of occupational diseases of the cardiovascular system in individuals whose work is associated with hyperthermic loads [10], require a detailed assessment of the functional state of the heart and criteria pathognomonic for detecting early preclinical stages of heart failure with artificial hyperthermia. The literature data on this problem are contradictory and few. Identified by a number of authors, some disorders of cardiac activity in KG were not considered signs of functional inferiority of the myocardium, and their diagnostic value was not considered [11]. However, at present there are not sufficient grounds for rejecting the established ideas about the clinical significance of cardiac disorders under various exogenous influences, especially when solving problems related to the professional and therapeutic and preventive aspects of artificial hyperthermia.