Why the study?
Does increasing heart rate via right atrial pacing improve hemodynamic parameters in patients with aortic regurgitation?
Does increasing heart rate via right atrial pacing improve hemodynamic parameters in patients with aortic regurgitation?
Increasing heart rate in patients with aortic regurgitation reduces left ventricular end-diastolic pressure and volume, suggesting that avoiding bradycardia may prevent pulmonary congestion and ventricular dilatation.
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Tachycardia may lower LVEDP in AR; single case report leaves open need for controlled trials.
Judge et al. (1971) studied this question.
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