🚩BMI may tell us more about future #AFib risk than systemic inflammation alone. In ~16,000 UK Biobank participants, higher BMI was associated with larger LA volume and a 23% higher risk of incident AF, while CRP and HbA1c were not independently associated with AF. #EPeeps

🚩One atrial impulse → two ventricular responses? ⚡ This @HRS_O2Journal Fellows Corner highlights the rare coexistence of a double ventricular response (“double fire”) and typical AVNRT, both arising from dual AV nodal physiology. The key? Slow pathway ablation eliminated both. #EPeeps

⚡ Can the ECG predict response to stellate ganglion blockade in electrical storm? Despite clinical suppression of VT/VF, standard 12-lead ECG intervals did not meaningfully change after SGB. 📌 Surface ECG may not be a useful procedural biomarker 📌 Dynamic autonomic measures such as HRV may hold more promise @HRS_O2Journal #EPeeps

🚩Can leadless pacing be safely performed during pregnancy? 🤰🫀 Abdrakhmanov et al. report leadless pacemaker implantation at 17 weeks’ gestation with an estimated fetal dose of just 1.4 mGy and a healthy infant delivered at term. Careful radiation optimization + multidisciplinary planning matter. #EPeeps #HRO2GlobalVoices

Can Bachmann bundle pacing be made simpler? In this @HRO2 study, Yoshimoto et al. used a simple atrial electrogram amplitude–guided strategy to identify the SVC–RA junction and guide lead placement. ✅ BB pacing achieved in 88% ✅ Median mapping time ~2 min ✅ Stable lead parameters at 6 months ✅ No lead dislodgement or major device-related complications A practical approach that may make physiologic atrial pacing more reproducible in everyday device implantation. #EPeeps

Can patient-specific modeling help us choose the safest and most effective site for leadless LBB area pacing? 🫀💻 In this new @HRO2 podcast, @HamidGhanbariMD speaks with study author Angela Lee PhD, about their computational modeling study of intracardiac collision risk, device length, and optimal implant location. A fascinating look at how digital models—and eventually digital twins—may help shape the future of leadless conduction system pacing.

Published @HeartRhythmO2: PFA for CTI-dependent atrial flutter — 9 studies, 656 patients pooled. 99.4% acute block rate. 2.14% recurrence. <9 min ablation time. Zero permanent AV block. The catch: transient coronary spasm (~2%) — cut 94% with high-dose IV nitroglycerin. #EPeeps

🚩Pulmonary vein stenosis after #AFib ablation is rare but serious. Balloon angioplasty/stenting often restenose — so what’s next? This review in @HRS_O2Journal surveys surgical options (patch plasty, bypass, sutureless repair & more) and offers a treatment algorithm for the tough cases. 🫀 #EPeeps #AFib

🚩The persistent AFib ablation dilemma: more lesions often just means more atrial tachycardia later. Published in @HeartRhythmO2: rotor-guided PVI extension (via AI phase mapping) ➡️ 89.7% freedom from AF/AT at 12mo vs ~64% with standard approaches. #EPeeps

🚩We often associate left atrial flutter with prior ablation—but not always. This @HRS_O2Journal study shows 22% of LAF cases occurred de novo, with unique clinical characteristics yet comparable 1-year outcomes after ablation. #EPeeps

🚩Published in @HRS_O2Journal: The PACEMAN study compared leadless pacing vs conduction system pacing in 103 real-world patients. ➡️Leadless = faster, 100% acute success CSP = narrower QRS, more physiological activation ➡️Complications were low in both groups 🌟Patient selection is everything. #EPeeps

Published in @HeartRhythmO2: OAC alone vs OAC + antiplatelet therapy in #AF with stable #CAD Meta-analysis of 5 RCTs, 5,052 pts: ✅ No difference in MI, stroke, or CV mortality 🩸 OAC + SAPT = significantly more major bleeding (OR 1.97, P=.049) ➡️ OAC monotherapy may be enough #EPeeps

🚩Recent meta-analysis in @HRS_O2Journal: CSP (mainly LBBP) outperforms RVP after TAVR — shorter QRS, better ejection fraction, fewer HF hospitalizations. Same safety profile. Physiology matters. 🫀 #EPeeps #TAVR #LBBAP

Ever wonder why some patients with seemingly normal left atrial voltage maps still recur early after #AF ablation? 🤔 Maybe voltage mapping isn’t telling us the whole story. Complex Signal Identification (CSI) may uncover deeper atrial remodeling & functional substrate abnormalities. Read more in this article from @HRS_O2Journal exploring the evolving understanding of atrial substrate characterization in AF. ⚡️🫀 #AtrialFibrillation #EPeeps

Ever wonder if we can see a durable PFA lesion in real time just by reading the electrogram? ⚡️ When do signals truly reflect lasting PV isolation—and when do they bounce back? Read this @HRS_O2Journal study to find out more.

🚩AI in #Afib & #Stroke care A recent @HRS_O2Journal study shows a ResNet-34 model can identify embolic stroke of undetermined source patients at higher risk of AF from a sinus ECG—and help guide ILR decisions. #EPeeps

🚩CRT-D patients with reactive ATP had fewer ventricular arrhythmias vs ICD alone—and rATP independently predicted VA-free survival. ➡️Worth a read @HRS_O2Journal 👀 #EPeeps