Why the study?
What is the relationship between 24-hour arterial pressure and heart rate variation in normotensives, hypertensives, and patients with Shy-Drager syndrome?
What is the relationship between 24-hour arterial pressure and heart rate variation in normotensives, hypertensives, and patients with Shy-Drager syndrome?
The circadian variation of systolic blood pressure appears to be mainly controlled by the autonomic nervous system in subjects with a high correlation between blood pressure and heart rate.
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Observed SBP-HR correlations differ by autonomic status; hypothesis-generating for BP regulation without practice implications.
Tochikubo et al. (1987) studied this question.
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