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Spectral Analysis of Heart Rate Variability in Neurally Mediated Syncope Compared to Healthy Subjects 70
| Content Provider | Semantic Scholar |
|---|---|
| Author | Victor-Dan, Moga Sabine, Jahraus Parge, Flavian Moga, Mariana Cotet, Ioana Georgiana Avram, Rodica |
| Copyright Year | 2014 |
| Abstract | Correspondence to: Victor Moga, MD, PhD Clinic of Cardiology, Timiooara County Hospital, 10 Iosif Bulbuca St., 300736 SUMMARY: Heart rate variability (HRV) represents the widely used method for the assessment of the autonomic tone. Time domain parameters, like standard deviation of all RR intervals and spectral analysis, expressed as the spectral power density (PSD) in both low frequency (LF: 0.05 – 0.15Hz) and high frequency ( HF: 0.15 – 0.50 Hz) are the most frequent parameters used in clinical practice. Low HRV parameters in heart failure and myocardial infarction are correlated with the risk of a high incidence for ventricular arrhythmias and sudden cardiac death.The prognostic impact of low HRV parameters is well studied in numerous studies. Neurally mediated syncope represents one of the most frequent condition for admission and hospitalization. The aim of our study was to assess the autonomic imbalance during head-up tilt test in patients that had syncope and to compare it with healthy subjects. Spectral analysis of the ECG signals was performed using the autoregressive analysis. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://jmed.ro/articole/467.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
