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  • Title: A different approach to the analysis of pure ventricular parasystole.
    Author: Castellanos A, Moleiro F, Interian A, Myerburg RJ.
    Journal: Chest; 1995 May; 107(5):1463-4. PubMed ID: 7750351.
    Abstract:
    Until recently, it had not been recognized that predictions regarding the number of sinus beats interposed between two consecutive parasystolic beats could be made. In a case of perfect, pure parasystole resulting from unintentional fixed rate ventricular pacing, the following was observed: there were consistently three different values (0,2,3) for the number of interposed sinus beats; only one of these values was odd, and the sum of the two smaller values was one less than the larger value. Our findings, which are in keeping with those obtained in an mathematical model, may be of additional help in the diagnosis of this elusive arrhythmia.
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