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REACTION OF CARDIOVASCULAR SYSTEM OF PRESCHOOL CHILDREN WITH VISION DEFECTS TO THE ACTIVE ÒILÒ-TEST
I.V. Red'ka
Kherson University of Ministry of Education and Science, Kherson, Ukraine
DOI: https://doi.org/10.15407/fz55.05.079
Abstract
75 children with vision defects and 79 healthy children from 4,5 till 6,5 years were inspected by method of thonometry, electrocardiography and HRV during carrying out the active tilt-test. It is revealed that system hemodynamics of preschool children with vision defects is characterized by a plenty of inadequate reactions to the active tilt-test: in girls with vision defects hyperdiastolic reactions prevailed and in boys with vision defects hypodiastolic reactions prevailed. Boys with vision defects were characterized by a decrease in vegetative and hemodynamics reactivity that is connected with a decrease in reactivity of sympathetic nervous system. Cardiovascular system of preschool children with vision defects is characterized by a decrease in reserve opportunities.
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