Why the study?
Does the Hurst exponent of heartbeat intervals change differently during physical activity in healthy subjects compared to those with stable angina pectoris?
Does the Hurst exponent of heartbeat intervals change differently during physical activity in healthy subjects compared to those with stable angina pectoris?
The Hurst exponent of heartbeat intervals during exercise may serve as a useful new diagnostic parameter for short heartbeat time series to differentiate healthy individuals from those with stable angina pectoris.
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Exercise-induced Hurst changes may differentiate stable angina from health; leaves open prospective validation as diagnostic marker.
Martinis et al. (2004) studied this question.
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