This can terminate AVNRT (AV nodal reentry tachycardia) and sometimes atrial tachycardia as well. Adenosine will slow, not terminate, atrial fibrillation (AF) and atrial flutter, allowing an ...

Findings include a narrow complex tachycardia, a P wave that occurs after the QRS complex (a short RP interval) and termination with adenosine or carotid massage. See the AVNRT ECG Review for more ...