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Noninvasive Electrophysiological Study of PVC in Patient KNR: 3D Reconstruction Insights

This study presents an in-depth analysis of premature ventricular contractions (PVC) in patient KNR, evaluated on 27.05.2014. The noninvasive electrophysiological (EP) assessment utilized new 3D torso and atrial models created from high-quality CT scans. Detailed isochronal maps were generated, indicating early activation zones in the medial segment of the left ventricle's inferior wall, highlighting the areas of ventricular ectopy. The study's findings emphasize the effectiveness of non-invasive techniques in isolating ectopic activity, contributing to more tailored patient management.

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Noninvasive Electrophysiological Study of PVC in Patient KNR: 3D Reconstruction Insights

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  1. AlmazovFMR centre AMYCARD EP LAB Study: PVC Patients: KNR Date: 27.05.2014 Prepared: M.Chmelevsky, S. Zubarev, M.Budanova

  2. ECG

  3. ECG (1). AFib. Own rhythm Patient: KNR. Date: 27.05.2014

  4. ECG (2). PVC Patient: KNR. Date: 27.05.2014

  5. CT Quality and Volume reconstruction Torso and Atria 3D models

  6. Torso 3D models + new electrodes Quality of CT, 3D torso reconstruction and electrodes visualization: sufficient in this case Full number of electrodes – 208 Switch off – 10/208 (5%) Using electrodes – 198/208 (95%)

  7. Noninvasive EP study: main steps Patient: KNR. Date: 27.05.2014

  8. PVCepicardial models

  9. Zone of early activation was located in the medial segment of LV inferior wall Isochronal FND map Isochronal FND map red marker – zone of ventricular ectopy PA projection Patient: KNR. Date: 27.05.2014

  10. Zone of early activation was located in the medial segment of LV inferior wall Isochronal ADM map Isochronal ADM map red marker – zone of ventricular ectopy PA projection Patient: KNR. Date: 27.05.2014

  11. PVCepi/endocardial models

  12. Zone of early activation was located in the medial segment of LV inferior wall Isochronal FND map Isochronal FND map red marker – zone of ventricular ectopy PA projection Patient: KNR. Date: 27.05.2014

  13. Zone of early activation was located in the medial segment of LV inferior wall (translucent epicardium mode) Isochronal FND map Isochronal FND map red marker (color) – zone of ventricular ectopy PA projection Patient: KNR. Date: 27.05.2014

  14. Zone of early activation was located in the medial segment of LV inferior wall Isochronal ADM map Isochronal ADM map red marker – zone of ventricular ectopy PA projection Patient: KNR. Date: 27.05.2014

  15. Zone of early activation was located in the medial segment of LV inferior wall (translucent epicardium mode) Isochronal ADM map Isochronal ADM map red marker – zone of ventricular ectopy PA projection Patient: KNR. Date: 27.05.2014

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