Why the study?
Blood pressure changes during paroxysmal supraventricular tachycardia causing syncope compared to episodes without syncope remained to be characterized.
Does the degree of blood pressure drop during paroxysmal supraventricular tachycardia correlate with symptoms of syncope or presyncope?
Does the degree of blood pressure drop during paroxysmal supraventricular tachycardia correlate with symptoms of syncope or presyncope?
Syncope and presyncope during paroxysmal supraventricular tachycardia are associated with a significantly greater and more rapid drop in arterial blood pressure, particularly within the first 5 seconds of onset.
Answers are grounded in this paper and cite their sources.
Larger BP drops during SVT were associated with syncope; extends invasive hemodynamic data but leaves open clinical risk stratification.
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Phong* et al. (2018) studied this question.
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