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Elegant work on the analysis of EGM morphology. The conventional use of a "balanced" EGM signal does not identify the anatomical mitral valve annulus. The A/V EGM ratio between 1:9 and 1:16 best approximates the mitral valve annular plane. Nice work shorturl.at/qLOQ7

“Peak Frequency” annotation based voltage map using Near Field OT helps to identify the sites critical to #VT circuits. 👇 Endocardial map of non-ischemic VT after MV repair demonstrating low voltage-high frequency sites colocalized with critical isthmus of VT. #EPeeps #ablateVT

Remarkable agreement between ILAM deceleration zone, CT wall thickness channel, and peak frequency emphasis on the apical scar. Case by @davilandre and Dr. Bahij Kreidieh. Ensite mapping by Davis Sneider with ADAS3D Medical integration. #AblateVT

Atypical atrial flutters in pts w/out prior surgery or complex ablation are often due to localized re-entry. Other ATs commonly occur during long-term follow-up following ablation, suggesting progressive atrial myopathy in these pts. bit.ly/3VaDasL #JACCCEP #epAblation

Peak frequency mapping of atypical atrial flutter. onlinelibrary.wiley.com/doi/10.1111/jc… Peak frequency map may lead to new atrial substrate evaluation. PF‐to‐voltage ratio “PF/V.” This is important. Low-voltage, high-PF areas may be critical targets! #HDgrid #PeakFrequency #onlywithot

3-D mapping in #Farapulse procedures now even more helpful: Ensite X v 3.0.2. with enhanced visualization of the pentaspline catheter. Abbott Cardiovascular BostonSci Cardiology AGEP Young DGK Christian Sohns El Hamriti Mustapha Vanessa Sciacca

We have had a great initial experience with Farapulse and Ensite X! The mapping system coupled with ICE in the left atrium ensures proper catheter positioning for therapy delivery. Abbott Cardiovascular Preston Segars BostonSci Cardiology @WilliamMaddoxMD

The value of ICE in epicardial VT ablation. 1. Ensure epicardium dry before ablating to ensure optimal lesion delivery. 2. Understand scar and substrate in three dimensions. 3. Monitor for complications during access (visualize wire course) and throughout case (bleeding).

Post-myocarditis #VT in a young patient with recurrent syncope. 👇 ILAM demonstrating color crowding in both sides of narrow corridor corresponding to entrance & exit of clinical VT. #EPeeps

Here is a video clip of Papillary muscle PVC ablation showing how #ICE provides real-time visualization of cardiac structures and continuous monitoring of catheter location. Please turn the sound on.

Correlation between VT isthmus, imaging findings and histopathology in a patient with desmoplakin cardiomyopathy. A collaborative report with Columbia Vagelos College of Physicians & Surgeons pathology team published in JACC Journals #JACCEP Weill Cornell Medicine bit.ly/3SQPlZE

Excited to share our latest publication! Fluoroless PFA with BostonSci Cardiology catheter and Abbott Cardiovascular 3D mapping and ICE. Daniel Alyesh Nicholas Palmeri Erin Unger Madison Keith South Denver Cardiology AdventHealth link.springer.com/article/10.100…

Fascicular Substrate Modification for VF by Weeranun Bode Pasquale Santangeli Andrea Natale MD #JaccEP bit.ly/3Z5dqA1

NEW ICE Image of the Month: To highlight AFib Awareness Month, #HRStv host Daniel Alyesh is joined by Dr. Devi G Nair to discuss the novel application of ICE for PFA ablation of AFib. They discuss ICE imaging for PFA ablation for PVI and extrapulmonary triggers. See the full

Left atrium of the heart with pulmonary veins created by a catheter with anatomic mapping.

PVC localization diagram. Added my own touches. adapted from the nice figure by Enriquez et al. Illustrates the precordial transitions to positive complexes, lead I morphology (blue/red/green circles), and precordial transition to negative complexes. #EPeeps

HD Grid X making her worldwide debut at #VTSymposium. Two additional SE sensors on the distal portion of the Grid allow for faster and more accurate modeling and mapping immediately upon insertion.

With multi-wavefront mapping in VT ablation we are always looking for new ways to visualize core concepts. Emphasis mapping on the activation window with ILAM highlights the narrowest isochrones to visualize WADLs which co-localize with the 3D boundaries of the VT. (Thread 1/6).

Filtering traditional voltage range to show highest frequency within scar. Excellent tool to help prioritize targets in large infarcted areas. ⚡️

First case using #GridX with the 2 new sensors on the tip. Mapped so much faster than regular Grid, due to it being in high confidence 100% of the time, with way less geometry editing. But the best thing is no more having to say "We need more voxels"! 😂 #EPeeps