Why the study?
Does a wavelet transform-based heart rate variability analysis identify sympathovagal imbalance prior to the onset of non-sustained ventricular tachycardia?
Population
RR-interval database consisting of 87 non-sustained ventricular tachycardia, 61 ischemic, and 5 normal…
Comparison
Wavelet transform-based approach for short-time… vs Non-NSVT population (ischemic and normal episodes)
Design
Other
Authors
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May support pre-NSVT sympathovagal monitoring; leaves open prospective validation of wavelet HRV before clinical use.
Does a wavelet transform-based heart rate variability analysis identify sympathovagal imbalance prior to the onset of non-sustained ventricular tachycardia?
A wavelet-based HRV analysis suggests that an abrupt sympathovagal imbalance may precede and partly account for the occurrence of non-sustained ventricular tachycardia.
Szi-Wen Chen (2002) studied this question.
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