Key result
Modifying the mathematical relationship between heart rate and heart rate variability can improve the prognostic value of heart rate variability for predicting mortality.
This opinion article proposes that mathematically uncoupling or coupling heart rate variability from heart rate can optimize its prognostic performance for different clinical outcomes.
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Jerzy Sacha (2014) conducted an editorial in Cardiovascular prognosis. Heart rate variability modification was evaluated. Modifying the mathematical relationship between heart rate and heart rate variability can improve the prognostic value of heart rate variability for predicting mortality.
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