Acute suppression of epicardial left ventricular summit premature ventricular ectopy by occlusive venogram

We describe the unique phenomenon of occlusive venogram‐induced suppression of premature ventricular complexes (PVC) arising from the epicardial left ventricular summit (LVS). Prior to ablation through the coronary sinus, routine occlusive venogram performed at the focus of PVC origin led to localiz...

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Published inPacing and clinical electrophysiology Vol. 45; no. 2; pp. 285 - 288
Main Authors Tan, Eugene S.J., Seow, Swee‐Chong
Format Journal Article
LanguageEnglish
Published United States Wiley Subscription Services, Inc 01.02.2022
Subjects
Ablation
Adult
Catheter Ablation
Coronary Angiography
Electrocardiography
Heart
Humans
Localization
Male
Occlusive venogram
Phlebography - methods
Ventricle
Ventricular arrhythmia
Ventricular Premature Complexes - therapy
Ventricular arrhythmia
Ablation
Occlusive venogram
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Summary:We describe the unique phenomenon of occlusive venogram‐induced suppression of premature ventricular complexes (PVC) arising from the epicardial left ventricular summit (LVS). Prior to ablation through the coronary sinus, routine occlusive venogram performed at the focus of PVC origin led to localized myocardial staining and simultaneous, sustained PVC suppression. Pace‐mapping adjacent to the area of myocardial staining revealed near‐identical PVC morphology match (98%). Routine occlusive venogram prior to ablation within the coronary venous system is safe and contributed to localization of the PVC focus.
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ISSN:0147-8389
1540-8159
DOI:10.1111/pace.14395