Why the study?
Does chronic inappropriate sinus tachycardia alter heart rate variability indices in elderly females compared to asymptomatic controls?
Does chronic inappropriate sinus tachycardia alter heart rate variability indices in elderly females compared to asymptomatic controls?
Inappropriate sinus tachycardia can present chronically in elderly females and is associated with significantly decreased heart rate variability compared to healthy controls.
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Decreased HRV in symptomatic elderly females with inappropriate sinus tachycardia is hypothesis-generating; prospective studies needed before clinical relevance.
Lopera et al. (2003) studied this question.
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