Why the study?
Does intravenous adenosine prolong atrial cycle length in patients with inappropriate sinus tachycardia compared to controls?
Does intravenous adenosine prolong atrial cycle length in patients with inappropriate sinus tachycardia compared to controls?
Patients with inappropriate sinus tachycardia exhibit an impaired negative chronotropic response to adenosine, which may have diagnostic implications and provide insight into the mechanism of IST.
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May aid IST diagnosis via blunted adenosine response; leaves open mechanistic insights pending prospective validation.
Still et al. (2002) studied this question.
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