Heart rate variability index in congestive heart failure: relation to clinical variables and prognosis
نویسندگان
چکیده
منابع مشابه
Heart rate variability and its relation to ventricular arrhythmias in congestive heart failure.
BACKGROUND It has been shown that heart rate variability is decreased in patients with congestive heart failure and that depressed heart rate variability is associated with a propensity to ventricular arrhythmias. Little is known, however, about heart rate variability in patients with both congestive heart failure and ventricular arrhythmias. METHODS Spectral heart rate variability was analys...
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Heart rate variability (HRV) analysis has quantified the functioning of the autonomic regulation of the heart and heart's ability to respond. However, majority of studies on HRV report several differences between patients with congestive heart failure (CHF) and healthy subjects, such as time-domain, frequency domain and nonlinear HRV measures. In the paper, we mainly presented a new approach to...
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1. There is a substantial non-harmonic or fractal component to the variability of both heart rate and blood pressure in normal subjects. Heart rate is the more complex of these two signals, with respect to the slope, beta, of the 1/f beta relationship. In congestive heart failure, heart rate spectral power is attenuated, but the fractal and harmonic components of heart rate and systolic blood p...
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Objective: Congestive heart failure (CHF) has become one of the most important health care problems in western countries. This article focuses on the outpatient diagnosis and management of heart failure. We want to compare the outcome of patients who were treated with high dose diuretics in the emergency department (ED) without admission with patients who were admitted to hospi...
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ژورنال
عنوان ژورنال: European Heart Journal
سال: 1998
ISSN: 0195-668X
DOI: 10.1053/euhj.1998.1148