Leah A. John, MD MBA (@leahjohnmd) 's Twitter Profile
Leah A. John, MD MBA

@leahjohnmd

cardiac electrophysiologist

ID: 1108887065880641536

calendar_today22-03-2019 00:24:13

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JK Han MD (@netta_doc) 's Twitter Profile Photo

🔥 LBCT #EHRA2025🔥 SAVE MVP study (Characterizing malignant #arrhythmias in arrhythmic mitral valve prolapse) AviSabbag 📍 225 pts 📍 pause dependent VF was dominant (65%) 📍 SMVT was minority, ⬆️ with age, + Family hx, +LGE myocardial wall 📍 31% triggered by ⬆️ adrenergics

🔥 LBCT #EHRA2025🔥

SAVE MVP study (Characterizing malignant #arrhythmias in arrhythmic mitral valve prolapse)
<a href="/AviSabbag/">AviSabbag</a>

📍 225 pts
📍 pause dependent VF was dominant (65%) 
📍 SMVT was minority, ⬆️ with age, + Family hx, +LGE myocardial wall
📍 31% triggered by ⬆️ adrenergics
Heart Rhythm Case Reports (@hrs_casereports) 's Twitter Profile Photo

Detailed delineation and electrophysiological assessments of an atriofascicular pathway masking antegrade right bundle branch block heartrhythmcasereports.com/article/S2214-…

Detailed delineation and electrophysiological assessments of an atriofascicular pathway masking antegrade right bundle branch block 
heartrhythmcasereports.com/article/S2214-…
Roderick Tung (@drrodericktung) 's Twitter Profile Photo

Very encouraging to see our collective improvements in VT ablation success. VT ablation should and will have a 90% success rate like SVT because we understand its mechanism with sinus surrogates. AF has a plateau at 80%, in need for new mechanistic insights. #ablateVT

JACC Journals (@jaccjournals) 's Twitter Profile Photo

Ever wonder why some aortic dissections/sinus ruptures result in a connection to the RV? See how the anatomy makes this happen—insights you don’t want to miss! 🔬 🔗 jacc.org/doi/10.1016/j.… Kalyanam Shivkumar MD PhD #JACC

Ever wonder why some aortic dissections/sinus ruptures result in a connection to the RV? See how the anatomy makes this happen—insights you don’t want to miss! 🔬  

🔗 jacc.org/doi/10.1016/j.… <a href="/shivkumarmd/">Kalyanam Shivkumar MD PhD</a> #JACC
William H. Sauer, MD (@true_ep) 's Twitter Profile Photo

The Brigham EP faculty, fellows, and allied professionals Brigham and Women's Hospital have 69 presentations at #HRS2025. I am proud to work alongside such a talented and innovative team who are so committed to moving the field forward.

The <a href="/Brigham_EP/">Brigham EP</a> faculty, fellows, and allied professionals <a href="/BrighamWomens/">Brigham and Women's Hospital</a>  have 69 presentations at #HRS2025. I am proud to work alongside such a talented and innovative team who are so committed to moving the field forward.
BIOTRONIK US (@biotronik_us) 's Twitter Profile Photo

Fellows won’t want to miss Kalyanam Shivkumar MD PhD and Roderick Tung and their program “A Blood Flow Tour of Cardiac Anatomy” at #HRS2025! Thursday, April 24 at 1:00 p.m. Contact us about your seat today! ow.ly/EtCX50VCM9v

Fellows won’t want to miss <a href="/shivkumarmd/">Kalyanam Shivkumar MD PhD</a> and <a href="/DrRoderickTung/">Roderick Tung</a> and their program “A Blood Flow Tour of Cardiac Anatomy” at #HRS2025! 

Thursday, April 24 at 1:00 p.m.

Contact us about your seat today! ow.ly/EtCX50VCM9v
William H. Sauer, MD (@true_ep) 's Twitter Profile Photo

We found significant heating of PFA electrodes. Way more than expected for “non-thermal” energy. Irrigation greatly reduced it. Irrigation of Pulsed Field Ablation Electrodes Mitigates Joule Heating and Heat Stacking Phenomena | JACC: CEP jacc.org/doi/10.1016/j.…

Usha Tedrow (@utedrow) 's Twitter Profile Photo

So proud of my mentor Dr Bill Stevenson, receiving the prestigious Pioneer in Cardiac Pacing and Electrophysiology!!! #HRS2025 #AblateVT ⁦John Sapp

So proud of my mentor Dr Bill Stevenson, receiving the prestigious Pioneer in Cardiac Pacing and Electrophysiology!!! #HRS2025 #AblateVT ⁦<a href="/johnlsapp/">John Sapp</a>⁩
Heart Rhythm Society (@hrsonline) 's Twitter Profile Photo

Congratulations to Pierre Jais, MD, winner of the 2025 Founder's Lectureship Award. The award was presented by @hisdoc1, the winner of the 2024 Founders' Lectureship Award. #EPeeps #HRS2025 #Lectureship

Congratulations to Pierre Jais, MD, winner of the 2025 Founder's Lectureship Award. The award was presented by @hisdoc1, the winner of the 2024 Founders' Lectureship Award. #EPeeps #HRS2025 #Lectureship
Roderick Tung (@drrodericktung) 's Twitter Profile Photo

205 patients from 15 US centers that underwent cardioneural ablation with 78% freedom from recurrent syncope and 97% freedom from pacemakers. Simpub in JACC Journals jacc.org/doi/10.1016/j.…

Clinton Thurber MD (@epentraining) 's Twitter Profile Photo

78% freedom from syncope after CNA! Miles to go still but this landscape is changing. Congrats Roderick Tung and colleagues on this registry. #HRS2025

Fatima Ezzeddine (@ezzeddinemd) 's Twitter Profile Photo

Outcomes in Patients With Mitral Annular Disjunction and an Implantable‐Cardioverter Defibrillator - Ezzeddine - 2025 - Journal of Cardiovascular Electrophysiology - Wiley Online Library onlinelibrary.wiley.com/doi/10.1111/jc…

Heart Rhythm Case Reports (@hrs_casereports) 's Twitter Profile Photo

New Focus on Fellows and Early-Career EPs: Changing the rhythm of leadership: The Heart Rhythm Society Growth and Leadership Opportunity for Women in Electrophysiology initiative Kamala Tamirisa MD, Usha Tedrow, Ashley Martinez, and JK Han MD heartrhythmcasereports.com/article/S2214-…

New Focus on Fellows and Early-Career EPs:
Changing the rhythm of leadership: The <a href="/HRSonline/">Heart Rhythm Society</a> Growth and Leadership Opportunity for Women in Electrophysiology initiative
<a href="/KTamirisaMD/">Kamala Tamirisa MD</a>, <a href="/utedrow/">Usha Tedrow</a>, Ashley Martinez, and <a href="/netta_doc/">JK Han MD</a> 
heartrhythmcasereports.com/article/S2214-…
Henry D. Huang (@hhuang123) 's Twitter Profile Photo

Example of repetitive Purkinje activity as a driver of VF followed by ablation at the likely trigger site (+) Purkinje de-networking in a pt with repeated ICD shocks and short couple PVCs

Example of repetitive Purkinje activity as a driver of VF followed by ablation at the likely trigger site (+) Purkinje de-networking in a pt with repeated ICD shocks and short couple PVCs
Margarida Pujol Lopez (@margaridapujol) 's Twitter Profile Photo

Roderick Tung Andre d’Avila Cardioneural Ablation for Functional Bradycardia and Vasovagal Syncope: Outcomes From the U.S. Multicenter CNA Registry pubmed.ncbi.nlm.nih.gov/40392665/ 🇺🇸 Editorial by: Dr. O. Ajijola and Dr Kalyanam Shivkumar MD PhD

<a href="/DrRoderickTung/">Roderick Tung</a> <a href="/Davilandre/">Andre d’Avila</a>
Cardioneural Ablation for Functional Bradycardia and Vasovagal Syncope: Outcomes From the U.S. Multicenter CNA Registry
pubmed.ncbi.nlm.nih.gov/40392665/
🇺🇸
Editorial by: Dr. O. Ajijola and Dr <a href="/shivkumarmd/">Kalyanam Shivkumar MD PhD</a>
Boldizsar Kovacs (@boldikovacsmd) 's Twitter Profile Photo

🩺 #EPeeps: We all use ACT🩸 in #ablation procedures—but protocols differ everywhere. 👩‍🔬Help us shed light on global🌏 practice by taking a short, 5-minute survey. Take a look in your lab what ACT-device & cartridge you use prior to starting the survey! forms.gle/wGifUv6an2cjma…

🩺 #EPeeps:
We all use ACT🩸 in #ablation procedures—but protocols differ everywhere.

👩‍🔬Help us shed light on global🌏 practice by taking a short, 5-minute survey. Take a look in your lab what ACT-device &amp; cartridge you use prior to starting the survey!

forms.gle/wGifUv6an2cjma…
Larry Levitt (@larry_levitt) 's Twitter Profile Photo

In an ironic twist, there are now more Republicans, including MAGA supporters, than Democrats enrolled in the Obamacare marketplaces. Drew Altman kff.org/from-drew-altm…