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      Heart Rate Variability: Measurement and Clinical Utility

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          Abstract

          Electrocardiographic RR intervals fluctuate cyclically, modulated by ventilation, baroreflexes, and other genetic and environmental factors that are mediated through the autonomic nervous system. Short term electrocardiographic recordings (5 to 15 minutes), made under controlled conditions, e.g., lying supine or standing or tilted upright can elucidate physiologic, pharmacologic, or pathologic changes in autonomic nervous system function. Long‐term, usually 24‐hour recordings, can be used to assess autonomic nervous responses during normal daily activities in health, disease, and in response to therapeutic interventions, e.g., exercise or drugs. RR interval variability is useful for assessing risk of cardiovascular death or arrhythmic events, especially when combined with other tests, e.g., left ventricular ejection fraction or ventricular arrhythmias.

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          Author and article information

          Journal
          Ann Noninvasive Electrocardiol
          Ann Noninvasive Electrocardiol
          10.1111/(ISSN)1542-474X
          ANEC
          Annals of Noninvasive Electrocardiology : The Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc
          Blackwell Publishing, Inc. ( 350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2XG , UK . )
          1082-720X
          1542-474X
          13 January 2005
          January 2005
          : 10
          : 1 ( doiID: 10.1111/anec.2005.10.issue-1 )
          : 88-101
          Affiliations
          [ 1 ]Washington University School of Medicine, St. Louis, MO
          [ 2 ]Columbia University, New York, NY
          Author notes
          [*] Address for reprints: J. Thomas Bigger, Jr., M.D., Columbia University, 630 West 168th Street, PH 9‐103, New York, NY 10032. Fax: 212‐305‐7141; E‐mail: jtb2@ 123456columbia.edu
          Article
          PMC6932537 PMC6932537 6932537 ANEC10101 anec10101
          10.1111/j.1542-474X.2005.10101.x
          6932537
          15649244
          898e6358-cbdc-4271-8683-5400c7064df7
          History
          Page count
          links-crossref: 101, Figures: 3, Tables: 5, Equations: 0, References: 115, Pages: 14
          Categories
          Articles Honoring Bruce Delmar
          Custom metadata
          2.0
          January 2005
          Converter:WILEY_ML3GV2_TO_JATSPMC version:5.7.3 mode:remove_FC converted:18.12.2019

          autonomic nervous system
          autonomic nervous system

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