Sympathovagal Balance: A Critical Appraisal
نویسندگان
چکیده
منابع مشابه
Sympathovagal balance: a reappraisal.
Editor must not exceed 400 words in length and may be subject to editing or abridgment. Letters must be limited to three authors and five references. They should not have tables or figures and should relate solely to an article published in Circulation within the preceding 12 weeks. Only some letters will be published. Authors of those selected for publication will receive prepublication proofs...
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There are complex interactions between the sympathetic and parasympathetic nervous system inputs to the sinus node. The concept of "sympathovagal balance" reflects the autonomic state resulting from the sympathetic and parasympathetic influences. Despite widespread usage of a variety of heart rate (HR) variability parameters as indexes of sympathovagal balance, no index has been validated as a ...
متن کاملSympathovagal Balance During Graded Orthostatic Tilt
Background The powers of the low-frequency (LF) and high-frequency (HF) oscillations characterizing heart rate variability (HRV) appear to reflect, in their reciprocal relationship, changes in the state of the sympathovagal balance occurring during numerous physiological and pathophysiological conditions. However, no adequate information is available on the quantitative resolution of this metho...
متن کاملA CRITICAL APPRAISAL OF HUMAN GROWTH STUDIES IN IRAN
Studies of human growth throughout Iran since 1966 have been surveyed critically. Only 32 papers and 15 research reports on this very crucial issue have been published or compiled so far, most of them on Tehran and Shiraz, which is negligible in comparison with American or European and even some African and Asian studies. Though measurements of height and weight naturally predominate, arm ...
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ژورنال
عنوان ژورنال: Circulation
سال: 1998
ISSN: 0009-7322,1524-4539
DOI: 10.1161/01.cir.98.23.2643