The aim of this study was to estimate the results of tilt table testing in two groups of healthy adolescents--swimmers and control. Cardio-vascular reactions on tilting were determined by the measurements of heart rate (HR), systolic (SBP) and diastolic blood pressure (DBP). The study was carried out in accordance with the Polish Cardiac Society procedure. The positive tilt table testing results were observed in most young swimmers and in about thirty per cent of controls. The differences in the cardiovascular reactions were observed, too. The clinical interpretation and usefulness of these results must be established by future investigations.
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