Heart Rate Articles

Dr Robert Nolan and Heart Rate Variability

Tuesday, May 14th, 2002

“RSA is the natural cycle of arrhythmia that occurs through the influence of breathing on the flow of sympathetic and vagus impulses to the sinoatrial node.” Dr Robert Nolan

Please tell us a little about yourself and your work?

I recently took on the position of Coordinator of Behavioral Cardiology Research at the Toronto General Hospital-University Health Network. I have been doing research into cardiovascular response to stress, smoking cessation treatments, and behavioral adjustment to heart disease for the past ten years. I am excited about my current opportunities and resources for developing an active program of clinical research regarding heart rate variability (HRV) and biofeedback treatments to reduce the negative effect of stress on the cardiovascular system. I am pleased to have recently been awarded a grant from the Heart and Stroke Foundation of Canada to assess whether HRV biofeedback training can significantly help smokers who are trying to control their urge to smoke in the early stage of quitting. The pilot phase for this research was supported by a grant from the Biofeedback Foundation of Europe (BFE www.bfe.org). It is in this capacity that I have also begun a workshop training series on HRV biofeedback in association with the Biofeedback Foundation of Europe. Read the rest of this entry »

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Heart rate training may be applicable in cardiac arrhythmia

Wednesday, May 8th, 2002

Clinically, heart rate training may be applicable in cardiac arrhythmias of many causes. The method involves an alternation of heart rate speeding and slowing, and, for obvious reasons, is best done in an in-patient coronary care setting.

Heart rate studies are replete in the autonomic modification literature. It has been possible to produce significant heart rate level changes in even a single session, although it has been easier to get increases than decreases. There is a great deal of evidence to show that subjects can quite easily produce voluntary changes in both heart rate level and variability in multiple sessions (Engel and Hansen, 1966: Hnatiow and Lang, 1965). Heart rate training with premature ventricular contractions, atrial fibrillations and Wolff-Parkinson-White syndrome have been investigated (Engel,1972). Heart rate feedback along with desensitization and implosion has been applied successfully to the management of anxiety about the heart (Wilkramaskera, 1974).

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