LV summit PVC healthy 26 y.o. Earliest 34 ms pre-QRS from LCC 2 lesions with good suppression. Below LVS 1.5 cm away 98% pace match 2 additional lesions. No PVC for 16 hours observation. Ensite X Tactiflec DF excellent mapping ⁦@georgecrowell⁩ ⁦@forkknifecab_EP⁩

Interesting PVC at @MUSChealth with @JRWinterfield. PVC was quickly mapped to lateral wall near ALPM insertion. A False Tendon was seen on ICE connecting from PM to basal Septum. LAT there was earlier than rest of septum. Are we seeing the FT activation?#Epeeps @AbbottCardio 1of3

#EPeeps Is it possible to capture / conceal into slow pathway? Are there other explanations for what’s happening here? No lines of block in atrium. Pacing from abl at 4 o’clock at 10mA on TA. #PMA @syamkumarmd @forkknifecab_EP

How to avoid AF recurrence in atrial fibrillation? Lesion formation geometry is crucial, resistive vs. conductive heating lesion durability. More to come in @LAHRSonline1 2023. Thanks to @josoriomd for being a great educator and @EladAnter for publishing disrupting science.

In the setting of redo accessory pathways, the tricuspid annular variety hosts highly complex atrial & ventricular electrograms. This stability-limited location makes for the unique signal characteristics seen here in ORT. @JaylynnMariePDX @Austin_in_EP @AbbottCardio

.@Phiso_de We need a new classification for #AFib! There is a disconnect between current classification / phenotype and underlying substrate. ➡️PVI-dependent vs non-PVI dependent may be more accurate and more predictive of success Need mechanistic understanding! #WAFib2023

Neat addition to localization algorithms for R/L manifest accessory pathways. Using P-Delta Interval, R/S ratio, and QRS onset polarity in lead V1. Proved consistent with this #WPW. @JCardioEP https://t.co/5jI4evYfbi #HDGrid Mapping credit @masonmaps @AbbottCardio

Thank you to @AbbottCardio, director @JRWinterfield & program faculty. Exceptional agenda with approachable & practical applications. #AblateVT In-Depth by @Davilandre @hhuang123 @JDMossMD @DrMatthewHyman @BadertscherPat @cortezdias @utedrow @MUSChealth

Challenging case of PMpap VT runs/PVC’s with marked TCM( EF:15%) in a young male; large LV ; TS approach;so catheter stability was a problem!( was not better with TA as well) finally we got it here👇!😰 40-45wts/ HNS/120s with consolidation burns! #Epeeps

The anterior right pulmonary vein antrum, an under appreciated topography? Atrial diverticulum seen here, perhaps culprit of temperature & impedance limiting during Radiofrequency #Ablation. Imaged during unrelated, Focal Atrial #Tachycardia #Ultrasound #EPeeps credit @Ashit_EPS

Based on the twitter posted by @syamkumarmd How can we make a accurate diagnosis from a challenge telemetry tracing of Wide complex tachycardia? Labadet et. al. from Argentina found this interesting finding. It worths reading it. doi: 10.1093/europace/eux103.

Authors share their view about ICE; #EPeeps may share yours? #echofirst @hhuang123 @paulzei @AGEP_DGK @ArashArya_EP @Dr_Santangeli @ftrae @ALFIEEP1 @KTamirisaMD @SchakrabartiEP @rdschaller @pjsm83 @JRWinterfield @aalahmadmd @S_NarayanMD @LuigiDiBiaseMD @EladAnter @DrMarwanRefaat

Architecture of the left atrial wall : the “septopulmonary bundle”. ISCAT october 12th in Paris

Redo with Hx PVI, CTI & Roof dependent AFL. Mapping revealed narrow passage through roof encompassing 80% of TCL. Linear #TactiCathSE was unable to appreciate isthmus EGM’s by #HDGrid. Unipolar Voltage complimented LAT and #Entrainment maps. Successful endpoint @EPS_PDX

Successful ablation of #WPW localized to right lateral tricuspid annulus. #ECG delta showed double transition with isoelectric sum of QRS at V2 as described in https://t.co/pApuidO7Gf @masonmaps @AbbottCardio

An EP study in 3 slides. #EPeeps #CardioTwitter @PennCardiology

PMA Maneuver Entry with a BONUS: ErPVC showed extranodal response (H1H2 - A1A2 < 35) AND HRPVC delayed subsequent A, showing post-excitation and confirmation of a #decremental concealed #pathway @Ashit_EPS @forkknifecab_EP @NotYourAvg_PR https://t.co/VSfEjA4wcp

Mapping VAs from Pap Muscle with #PDX Clever feature described by @B_Naz_MD @forkknifecab_EP #Epeeps @Hapa_EP @javadm20 @OCanoPerez @CarinaHardy4 @ALFIEEP1 @DanielAlyeshmer @MonicaKorzon @jeffrey_vinocur @nbwiggins

Old school pacing meets new school fluoroless ablation. #Oxford #RuralMississippi #EPeeps

Redo PVI pt. presented to @dsabayon at @utmbhealth with roof dependent LAFL. INTELLAMAP ORION™ collected 7500 EGMs in 5 min. The arrhythmia was terminated with DIRECTSENSE™ with a line of block across the high voltage area between the LIPV & RIPV.