@NMerke

Cardiologist , #echofirst #volumetrics #EchoMath #3D

 Germany Berlin
Joined February 2013
  • Tweets21.3K
  • Following6.7K
  • Followers19.1K
5.4KMedia
Today is World Pasta Day 2026 @NMerke VALORE IDENTITARIO tgcom24.mediaset.it/tgcom-ma…
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Different perspectives. Shared expertise. Positive outcomes. 🚀 When imagers from different specialties exchange ideas, everyone wins - especially the patient. #echofirst @NMerke 📌 2D reference plane matters 📌 3D landmarks (⛔️overzoom) 📌 3D image orientation matters
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Replying to @iamritu @ASE360 @JournalASEcho @CASEfromASE @CASivaram1 @echo_stepbystep @NMerke @OungSavly @DrRajeshG1 @rajdoc2005 @LucySafi
Indeed a rare congenital anomaly ✨Rudimentary aortic chordae tendineae: a ruptured strand attached to the free edge of LCC 👀 #echofirst
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Replying to @alex1708ander @iamritu @ASE360 @JournalASEcho @CASEfromASE @CASivaram1 @echo_stepbystep @NMerke @OungSavly @DrRajeshG1 @rajdoc2005 @LucySafi
doi.org/10.1002/ccr3.8033 @iamritu AR caused by aortic chordae tendineae strands (ACTS) is rare ….
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Ritu Thamman MD
@iamrituOct 25
Replying to @alex1708ander @ASE360 @JournalASEcho @CASEfromASE @CASivaram1 @echo_stepbystep @NMerke @OungSavly @DrRajeshG1 @rajdoc2005 @LucySafi
#echofirst @alexsfelixecho
Alex Felix
@alexsfelixecho12 Oct 2023
🌟Very interesting! Great tweet by master @iamritu about AV strands✨ Recently I had a 45y👨🏽 cryptogenic stroke (2x), no PFO, only finding prominent strands in Ao valve. I found 📝 about ⬆️ incidence of embolic strokes in this population, without any other cause 🤷🏾 What do U 🤔? #echofirst #CardioTwitter @NMerke @echo_stepbystep @dr_benoy_n_shah @StellEkaterina @echo_batman @purviparwani @pabeda1 @kevin_domingues @KemalogluOz academic.oup.com/ehjcimaging… pubmed.ncbi.nlm.nih.gov/9842…
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Ritu Thamman MD
@iamrituOct 25
Replying to @alex1708ander @ASE360 @JournalASEcho @CASEfromASE @CASivaram1 @echo_stepbystep @NMerke @OungSavly @DrRajeshG1 @rajdoc2005 @LucySafi @alexsfelixecho
agree w @alexsfelixecho seen more on aortic valve, But degenerative fenestrations typically don't affect valve function(they occur past the closing edge) But if adjacent tissue is worn away, they stretch & strand avulses, the cusp may no longer be fully supported & can prolapse
Ritu Thamman MD
@iamritu12 Jul 2023
Replying to @CASivaram1 @StellEkaterina @DavidWienerMD @purviparwani @argulian @mswami001 @rajdoc2005 @DrRajeshG1 @davidmcnam @AkhilNarangMD
AV fenestrations don't directly allow for aortic regurgitation usually, but if they stretch & strand avulses & has a free edge, cusp may no longer be fully supported & can prolapse @joemaleszewski 📷 @MayoClinicCV #echofirst
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Alex Felix
@alexsfelixechoOct 25
Replying to @iamritu @alex1708ander @ASE360 @JournalASEcho @CASEfromASE @CASivaram1 @echo_stepbystep @NMerke @OungSavly @DrRajeshG1 @rajdoc2005 @LucySafi
Totally agree with you @iamritu
Alex Felix
@alexsfelixecho16 Feb 2022
Replying to @dr_yakovlev @echo_stepbystep @PPibarot @fiore_corrado @NMerke @eromerodorta @dr_benoy_n_shah @schaefers_hans @jenn_cy_chung @ovidiogarciav @BavariaMd @IHamamsy @NimeshDesaiMD
Sometimes in patients with Ao Valve prolapse there is also comissural fenestrations, annalsthoracicsurgery.org/ar…. It may offer additional difficulty to repair
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A case from the recent past - severe AR due to a RCC fenestration without cusp prolapse. And yes @alexsfelixecho it was very difficult to repair #echofirst @NMerke
Alex Felix
@alexsfelixechoOct 25
Replying to @iamritu @alex1708ander @ASE360 @JournalASEcho @CASEfromASE @CASivaram1 @echo_stepbystep @NMerke @OungSavly @DrRajeshG1 @rajdoc2005 @LucySafi
Totally agree with you @iamritu
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Nicolas Merke
@NMerkeOct 16
EACVI Board election 🗳️ to shape the future of #echofirst President @NAjmoneMarsan with strong team Treasurer @Ph_Bertrand Councillor @papadocardio & Vlatka Reskovic Luci 👉 escardio.org/communities/ass…
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Pericardial constraint–associated functional TR☝🏻 An intriguing case and a reminder always to ask: why TR? Not only grading, understanding the mechanism matters! And as in this case, sometimes means looking beyond the valve and the right heart chambers!
Nicolas Merke
@NMerkeOct 25
#echofirst case report about functional TR non atrial nor ventricular 👉 academic.oup.com/ehjcr/advan… @dr_benoy_n_shah @echo_batman @echo_stepbystep @StellEkaterina
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Ritu Thamman MD
@iamrituOct 24
Rare congenital anomaly(I’ve never seen) rudimentary aortic chordae tendineae #echofirst seen as ruptured fibrous strand attached to RCC free edge w partial flail causing severe aortic regurgitation OR confirmed bit.ly/3ULiWIb
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There are 2 major forms of aortic dilatation in BAV: ascending phenotype (beyond STJ, 70%) and root phenotype (20%). A case example of 👉 BAV (2-sinus) antero-posterior phenotype. 👉 Ascending phenotype BAV aortopathy #GlassVue @Philips #echofirst
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Nicolas Merke
@NMerkeOct 19
#echofirst question How often is PISA EROA in primary eccentric MR suitable? How often should we use PISA / EROA for severity quantification? @argulian @echo_batman @Ph_Bertrand @dr_benoy_n_shah
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Jan Verwerft@VerwerftJanOct 17
🫀 Not registered yet? There's still time! 📅 Thu 22 Oct | 20:00 CET 🎙️ 4D Echo Workflow Tricks with Wouter L’Hoyes 🆓 register here 👇 bit.ly/4gpOR7L 📩 Access link emailed on Tuesday
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#echofirst ✅ What is the diagnosis? ✅ Volumetric assessment feasible? @argulian @iamritu @echo_batman @NMerke @BryanTanMD @VLSorrellImages @DrDeepa1020 @PWesslyMD @DrRajeshG1 @alex1708ander @alexsfelixecho @KemalogluOz
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Dr. Purvi Parwani
@purviparwaniOct 16
Replying to @NMerke
Completely agree. I read letter to editor to this paper as well. And as they correctly point out- the color filter itself can make the TR from moderate to torrential. I still feel 3D VCA is better than PISA. @NMerke @argulian
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🫀🚀 Ready to take your 3D Echo skills to another dimension? 👽 Join international experts in Berlin, 22–24 Jan 2027! Hands-on training, advanced imaging & real cases by @NMerke & #friends ⚠️ Only a few places left! 🔗 dhzb-akademie.de/course/3d-w…
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Replying to @alex1708ander @NMerke @LHoyesWouter @Ph_Bertrand
Dropouts in a perfectly normal aortic valve is such a good reminder that thin leaflets can fool us in 3D so always correlate with 2D before calling anything
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Very good point @NMerke when scanning the AV, we often see dropouts. A normal aortic valve obtained today intraop - single beat, FPS 13, f 5 MHz But I know where to learn 4D workflow tricks that no textbook can teach 👀 👉 xitter.cf/verwerftjan/status/210… @LHoyesWouter @Ph_Bertrand
Nicolas Merke
@NMerkeOct 14
Tips and tricks to get aortic valve nice in 3D #echofirst #3DEchoBerlin What are your tricks to increase image quality in 3D? Share your knowledge
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Jan Verwerft@VerwerftJanOct 11
👇 Join us Thursday OCT 22nd! @LHoyesWouter
Jan Verwerft@VerwerftJanOct 9
📣 Get Ready for our Online Masterclass #2 🧑‍🎓 "4D Echo Workflow Tricks: What Textbooks Cannot Teach" 🧑‍🎓 📅 Thursday, 22 October 2026 – 20:00-21:00 CET 🎙 Wouter L'Hoyes (Hartcentrum Bonheiden Lier) xitter.cf/VerwerftJan/status/209…
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