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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Circ Arrhythm Electrophysiol. 2012 Oct 1;5(6):10.1161/CIRCEP.111.969022. doi: 10.1161/CIRCEP.111.969022

Figure 4.

Figure 4

(A) Adenosine allows more premature extrastimuli to conduct, but with greater activation latency in a persistent AF patient. (B) In the same patient, action potential duration (APD) restitution slope is <1 at baseline (blue) and during adenosine infusion (red). In a separate persistent AF patient, an extrastimulus (210 msec) fails to induce AF during adenosine infusion. Note substantial activation latency (97 msec).