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The Prognostic Value of Heart Rate Variability in the Elderly, Changing the Perspective: From Sympathovagal Balance to Chaos Theory
Heart rate variability (HRV) is the temporal beat‐to‐beat variation in successive RR intervals on an electrocardiographic (ECG) recording and it reflects the regulation of the heart rate (HR) by the autonomic nervous system (ANS). HRV analysis is a noninvasive tool for the assessment of autonomic function that gained momentum in the late 1980s when its clinical relevance as a predictor of mortality was established by a milestone study by Kleiger et al. in patients with postacute myocardial infarction. In the last few decades, the increasing availability of commercial ECG devices...
Published By: MedWorm/RelationshipIssues - Wednesday, 22 February
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MedWorm/EatingDisorder (2 days ago) - Conclusion Previous research has tended to show that HDL cholesterol is “good” for you and...
