Abstract
The idea of measuring body movement as a measure of activity level is not new, and has been used for quantifying and evaluating drug treatment in hyperactive children [1]. In the simplest form, the level of activity can be measured by an automatic mechanical “watch” (with the spring removed), and the “shaking” on the watch during body movement can be measured in terms of hours and minutes the watch goes through in a given time. The watch or mechanical accelerometer can be attached to either the waist or dominant hand of the child. Thus the detection of body movement can theoretically indicate exercise and Dahl [2] in 1979 published a patent on this principle. Because of the simplicity, this principle subsequently has been employed in rate-adaptive pacemakers and is one of the most important sensors available today.
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© 1993 Springer Verlag, Berlin Heidelberg
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Lau, C.P. (1993). Activity-Sensing Rate-Adaptive Pacing. In: Alt, E., Barold, S.S., Stangl, K. (eds) Rate Adaptive Cardiac Pacing. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76649-7_7
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DOI: https://doi.org/10.1007/978-3-642-76649-7_7
Publisher Name: Springer, Berlin, Heidelberg
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