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DIAGNOSTICS OF PHYSIOLOGICAL PROCESSES IN LIVING TISSUES BY THE METHOD OF OPTICAL VISUALIZATION OF BLOOD PULSATION

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The possibility of using visualization of blood pulsations for studying processes of thermal relaxa-tion in human living tissues is investigated. The blood pulsation amplitude (BPA) in a tissue is experimentally demonstrated to depend on thermal effect on the tissue: cooling a tissue leads to a drop in BPA, and the process of heating a tissue is accompanied by its growth. The increase in the BPA rate is shown to be an individual characteristic of the subject, and therefore can serve as a parameter of vasomotor reactivity of vessels with temperature changes.

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