PMID: 46390Feb 1, 1975

Learned heart-rate control by a patient with a ventricular parasystolic rhythm

T Pickering, G Gorham


A 31-year-old woman with a ventricular parasystolic rhythm is described. The arrhythmia was always absent below a rate of 72 per minute, and always present over a rate of 106 per minute. Voluntary heart-rate control was learned using a biofeedback techinque, as a result of which she could increase her rate by 25 per minute and decrease it by 1-2 per minute. Both voluntary speeding and exercise brought on the arrhythmia, but later in the training she could reach a higher heart-rate before the arrhythmia appeared. Propranolol inhibited the arrhythmia only to the extent that is slowed the heart.


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Related Concepts

Ventricular Fibrillation
Biological Feedback
Feedback - System Communication
Heart Ventricle
Cardiac Arrhythmia
Self-Help Devices
Pulse Rate

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