{HEAD ~ This invention} relates to a method for processing electrical signals obtained from the heart and, more particularly, to {TAIL ~ a method} for processing electrocardiac signals having superimposed sub component complexes to enable tracking of native, paced, and derived beat signals 
{ HEAD ~ This invention } relates to a method for processing electrical signals obtained from the heart and , more particularly , to { TAIL ~ a method } for processing electrocardiac signals having superimposed sub component complexes to enable tracking of native , paced , and derived beat signals
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