Heart Rate Variability and Chagas Heart Disease
نویسندگان
چکیده
Mailing Address: Marcos Antonio Almeida Santos • Avenida Gonçalo Prado Rollemberg, 211, sala 210, São José. Postal Code 49010‐410, Aracaju, SE – Brazil. E‐mail: [email protected]; [email protected] Manuscript received October 09, 2014; revised manuscript November 13, 2014; accepted November 13, 2014.
منابع مشابه
تغییرپذیری ضربان قلب Heart rate variability))
Abstract Many studies have been conducted on heart rate variability. Variability in the heart signal of two sequential beats is called heart rate variability (HRV). Short- and long- term variability reflects autonomic nervous system function, so that increased or decreased heart rate variability (HRV) is an indicator of human health. So, the analysis of these changes can predict sudden death...
متن کاملDistinctive impaired cardiac autonomic modulation of heart rate variability in chronic Chagas' indeterminate and heart diseases.
INTRODUCTION Cardiac autonomic dysfunction occurs in Chagas' indeterminate and heart disease, but comparison of this disturbance between both forms was not yet performed. METHODS Time- and frequency-domain 5-minute heart rate variability in supine and standing positions were evaluated in 17 subjects with Chagas' disease with the indeterminate form, 13 with heart disease and 15 controls. Trend...
متن کاملتغییرپذیری ضربان قلب Heart rate variability))
Abstract Many studies have been conducted on heart rate variability. Variability in the heart signal of two sequential beats is called heart rate variability (HRV). Short- and long- term variability reflects autonomic nervous system function, so that increased or decreased heart rate variability (HRV) is an indicator of human health. So, the analysis of these changes can predict sudden death...
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INTRODUCTION AND OBJECTIVES Impairment of the autonomous nervous system in early stages of Chagas' disease is still a matter of debate, although multiple approaches (including heart rate response to orthostatism and the Valsalva maneuver, and spontaneous variability) have been used to ascertain its occurrence. The circadian profile of heart rate and its variability have not been investigated in...
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