Decreased entropy of symbolic heart rate dynamics during daily activity as a predictor of positive head-up tilt test in patients with alleged neurocardiogenic syncope

Physics in Medicine and Biology

Volumn 45, Issue 11, 2000, Pages 3403-3412

  Kim, June Soo ^a   Park, Jeong Euy ^a   Seo, Jung Don ^a   Lee, Won Ro ^a   Kim, Hee Soo ^b   Noh, Jung Il ^b   Kim, Nam Su ^c   Yum, Myung Kul ^c,d  

^a Sungkyunkwan University School of Medicine   (South Korea)

^b Seoul National University College of Medicine   (South Korea)

^c Hanyang University   (South Korea)

^d Hanyang University Guri Hospital   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; ARTICLE; CLINICAL ARTICLE; CONTROLLED STUDY; DAILY LIFE ACTIVITY; DISCRIMINANT ANALYSIS; DYNAMICS; ELECTROCARDIOGRAM; ENTROPY; FEMALE; HEAD TILTING; HEART RATE VARIABILITY; HUMAN; MALE; NONLINEAR SYSTEM; PREDICTION; PRIORITY JOURNAL; RR INTERVAL; SYNCOPE;

ADULT; CASE-CONTROL STUDIES; ELECTROCARDIOGRAPHY; ENTROPY; FEMALE; HEART RATE; HUMANS; MALE; MIDDLE AGED; MODELS, STATISTICAL; SYNCOPE, VASOVAGAL; TIME FACTORS;

EID: 0033778039     PISSN: 00319155     EISSN: None     Source Type: Journal    
DOI: 10.1088/0031-9155/45/11/321     Document Type: Article

References (29)

1. Usefulness of head up tilt table testing and hemodynamic investigations in the workup of syncope of unknown origin Pacing
2. Power spectrum analysis of heart rate fluctuation: A quantitative probe of beat-to-beat cardiovascular control
3. Provocation of bradycardia and hypotension by isoproterenol and upright posture in patients with unexplained syncope
4. Chaos and physiology: Deterministic chaos in excitable cell assemblies
5. Continuous 24-hour assessment of the neural regulation of systemic arterial pressure and RR variabilities in ambulant subjects
6. Cardiac autonomic patterns preceding occasional vasovagal reactions in healthy humans
7. Heart rate variability during head-up tilt testing in patients with suspected neurally mediated syncope
8. Evaluation of frequency and time-frequency spectral analysis of heart rate variability as a diagnostic marker of the sleep apnea syndrome
9. Circadian rhythms of frequency domain measures of heart rate variability in healthy subjects and patients with coronary artery disease
10. Autonomic control of vasovagal syncope
11. Spectral analysis of heart rate variability during tilt-table testing in patients with vasovagal syncope
12. Assessment of autonomic function at rest and during tilt testing in patients with vasovagal syncope
13. Inadequate sympathovagal balance in response to orthostatism in patients with unexplained syncope and a positive head up tilt test
14. Autonomic control of heart rate variabilily in vasovagal syncope: A study of the nighttime period in 24-hour recordings
15. Long-term beta-blocker therapy improves autonomic nervous regulation in advanced congestive heart failure: A longitudinal heart rate variability study
16. Complex demodulation of cardiorespiratory dynamics preceding vasovagal syncope Circulation
17. Prediction of head-up tilt test result by analysis of early heart rate variations
18. Upright body tilt for evaluation of patients with recurrent syncope
19. Vagal and sympathetic mechanisms in patients with orthostatic vasovagal syncope
20. Entropy measures of heart rate variation in conscious dogs
21. Cardiac interbeat interval dynamics from childhood to senescence: Comparison of conventional and new measures based on fractals and chaos theory
22. Approximating Markov chains
23. Physiological time-series analysis: What does regularity quantify?
24. Presyncopal sympathetic withdrawal is the same in patients with vasodepressor syncope and controls who faint on head-up tilting
25. Heart rate variability and the outcome of head-up tilt in syncopal children
26. The clinical spectrum of neurocardiogenic syncope
27. Altered complexity and correlation properties of R-R interval dynamics before the spontaneous onset of paroxysmal atrial fibrillation
28. The application of methods of nonlinear dynamics for the improved and predictive recognition of patients threatened by sudden cardiac death