| http://www.w3.org/ns/prov#value | - The only noticeable difference is a slight increase or decrease in amplitude of the measured EKG signal, due to the attenuation by the body when the signal is measured at a more distant site from the source 59 of the signal, e.g. the heart, as depicted in FIG. 5A. [0071] FIGS. 5B-5E show the effect of this small attenuation factor which results in a decreased a
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