Why the study?
Does heart rate variability change during the course of paroxysmal atrial fibrillation episodes?
Does heart rate variability change during the course of paroxysmal atrial fibrillation episodes?
Heart rate variability gradually decreases during paroxysmal atrial fibrillation episodes, with the magnitude of decrease being patient-specific and unrelated to clinical status.
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Progressive HRV decline during paroxysmal AF is patient-specific; leaves open its role in arrhythmia risk stratification.
Piot et al. (1999) studied this question.
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