Key result
Adenosine had mechanism-specific effects on atrial tachycardia, terminating sinus node reentry (6/6), suppressing automaticity (7/7), and having no effect on intra-atrial reentry (0/13).
Why the study?
Does adenosine have mechanism-specific effects on atrial tachycardia in patients undergoing electrophysiological study?
Observational (n=27)
Does adenosine have mechanism-specific effects on atrial tachycardia in patients undergoing electrophysiological study?
Adenosine's effects on atrial tachycardia are mechanism-specific and can be used diagnostically to differentiate between underlying arrhythmia mechanisms during electrophysiological study.
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Adenosine response may differentiate atrial tachycardia mechanisms during EP study; extends observational data but leaves open prospective validation.
Engelstein et al. (1994) conducted an observational in atrial tachycardia (n=27). Adenosine was evaluated on Response of atrial tachycardia to adenosine. Adenosine had mechanism-specific effects on atrial tachycardia, terminating sinus node reentry (6/6), suppressing automaticity (7/7), and having no effect on intra-atrial reentry (0/13).
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