This week’s electrogram interpretation: What is observed in the following electrogram? The ablation catheter is positioned in the LIPV during a pulmonary vein isolation procedure. Answer Exit block – AT within the pulmonary vein. ...
This week’s electrogram interpretation: What is observed in the following electrogram? Answer Unable to interpret – repeat extrastimulus testing. In this example, there are two RV catheters displayed. The physician is performing a VT...
This week’s electrogram interpretation: What is observed in the second electrogram? Answer VERP •Both of these examples demonstrate extrastimulus testing in the ventricle via RV pacing. Extrastimulus testing is a pacing technique in which there is a...