DYNAMIC CHANGES IN SPECTRAL HEART RATE VARIABILITY PARAMETERS IN PACED BREATHING TEST IN PATIENT WITH UNCONTROLLED ARTERIAL HYPERTENSION AND POLYMORBIDITY
A clinical case of a patient with uncontrolled hypertension and polymorbidity. The paced breathing test was made, was found prevalence of low frequency influences at the initial stage and its intensification at the resting stage, growth of the total power of heart rate variability spectrum (TP) with respiratory modulation. The course of the disease worsened the appearance of new-onset atrial fibrillation (registered paroxysm on Holter monitoring); the general deterioration of the patient’s state reflected HRV changes on sinus rhythm tracing - significantly reduced TP growth in response to paced breathing, an increase in LF/HF (ratio of low frequency to high frequency waves), as well as switching to the neurohormonal level of heart rate regulation at the resting stage. After the treatment the growth of TP in response to the test has increased and LF/HF level has decreased.
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Copyright (c) 2017 L. Oyeleye, M. Saja, E. O. Golubkina, L. V. Bogun, M. I. Yabluchansky
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