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Alex Felix Profile
Alex Felix

@alexsfelixecho

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Father, Husband. MD, MSc, FESC, FEACVI. Echocardiography. Past VP Echocardiography DIC/SBC. Chief of Echocardiography - INC Brazil and DASA-RJ. 3D Echo❤️

Rio de Janeiro, Brasil
Joined April 2012
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@alexsfelixecho
Alex Felix
1 year
🧵 1/17 - Thread: Echo for Diagnosis and Management of obstructive HCM Mechanisms of MR in these patients Please, share your comments and experience #echofirst #cardiotwitter #echothread @NMerke @echo_stepbystep @iamritu @JaeKOh2 @dr_benoy_n_shah @EACVIPresident @StellEkaterina
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Alex Felix
2 years
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@alexsfelixecho
Alex Felix
3 years
⭐️Metastatic neuroendocrine tumor😳 Contrast 🛁 +3D #echofirst ✅ Rare: 3,8% of patients with carcinoid syndrome (Bhattacharyya Circ 2010) ✅ Only 7% of ❤️Mx NET involve the septum (Pandya JACC2002) @lpbadano @pattypellikka @echo_stepbystep @NMerke @dr_benoy_n_shah @denisamuraru
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@alexsfelixecho
Alex Felix
2 years
✨68y👩‍🦳 triarterial CAD, previous normal LV function 🔪LIMA-LAD+Saf-Dg1/Dg2/PDA Admission in immediate PO ICU 😳 What’s happening here? 🤔 @iceman_ex @NMerke @EchoSoliman @KardiologieHH @echo_stepbystep @SABOURETCardio @Hragy @mirvatalasnag @iamritu @purviparwani @laraguima1
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@alexsfelixecho
Alex Felix
1 year
⭐️Right parasternal view (RPV) is a game changer for Ascending Aorta visualization in transthoracic #echofirst ! 🚀Stanford A Thoracic Aorta Dissection with 3D echo from RPV 😀 #cardiotwitter @NMerke @KemalogluOz @iamritu @echo_stepbystep @vonBardelebenRS @StellEkaterina
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@alexsfelixecho
Alex Felix
4 years
40y woman, 10y mech MVP - progressive dispnea last 30d, INR=1.0. After HR control/adjusting INR - symptomatic improvement and drop of med TP gradient(17->7)/PASP(70->34),but still a frozen disc and large thrombus. Is surgery always indicated? @lpbadano @denisamuraru @purviparwani
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@alexsfelixecho
Alex Felix
1 year
@alexsfelixecho
Alex Felix
1 year
✨23y 🧔🏽‍♂️ followed since childhood with the diagnosis of “Bicuspid Aortic valve” 🌱Moderate aortic stenosis. What do you think about this valve anatomy? #echofirst @NMerke @echo_stepbystep @dr_benoy_n_shah @marciomp50 @AntonioBarros_ @GoncalvesCortez @kevin_domingues
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@alexsfelixecho
Alex Felix
2 years
✨27y old male. HCM. Dyspnea on efforts / NYHA II. LVOT grad rest 70mmHg What is the thickest V. septum you have ever seen? #echofirst #CardioTwitter @echo_stepbystep @NMerke @lpbadano @alcantaramonica @marciomp50 @KardiologieHH @KemalogluOz @DrRajeshG1 @mariovar55 @DICSBC
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@alexsfelixecho
Alex Felix
3 years
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@alexsfelixecho
Alex Felix
2 years
Need input from #cardiotwitter community 😃 Young pt. with MAD + MV bileaflet prolapse /Billowing (Barlow) Any thoughts about this structure? #echofirst @lpbadano @NMerke @echo_stepbystep @DonalErwan @donoxorn @AJamilTajik @purviparwani @denisamuraru @iamritu @robertomlang
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@alexsfelixecho
Alex Felix
7 months
🌕 Cardiac Myxomas 1/🧵 🔘The most prevalent cardiac tumors 🔘95% are sporadic and 5% are familial (Carney’s complex) 🔘3👩🏻 : 1 👨🏽 (non-familial) #echofirst 📝Reynen K. Cardiac myxomas. NEJM 1995
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@alexsfelixecho
Alex Felix
4 months
🌟Tuberculous Pericarditis - a silent killer 🚨 In this case constrictive pericarditis with thick layer of dense pericardial effusion The patient was operated (pericardiectomy) and treated clinically with good outcome 🌟 #echofirst Great discussion about differential
@alexsfelixecho
Alex Felix
4 months
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Alex Felix
4 months
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@alexsfelixecho
Alex Felix
8 months
🌟Differential diagnosis of cardiac masses using UEA perfusion (“contrast” #echofirst ) 🤔 a good lecture for “Cooks Island Echo Summit?”😂 @dr_benoy_n_shah #cardiotwitter 📝Great review: @RMankadMD @echo_stepbystep @NMerke @iamritu @alcantaramonica
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@alexsfelixecho
Alex Felix
11 months
🌟Obstructive HCM ✨Medio-ventricular dynamic obstruction After 3rd slide - Valsalva maneuver: From 10mmHg to >70mmHg medio-ventricular with no gradient in LVOT ✅ - 😳Look at Ao valve M-mode during maneuver 🔆 #echofirst #cardiotwitter @NMerke @echo_stepbystep
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@alexsfelixecho
Alex Felix
1 year
✨23y 🧔🏽‍♂️ followed since childhood with the diagnosis of “Bicuspid Aortic valve” 🌱Moderate aortic stenosis. What do you think about this valve anatomy? #echofirst @NMerke @echo_stepbystep @dr_benoy_n_shah @marciomp50 @AntonioBarros_ @GoncalvesCortez @kevin_domingues
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@alexsfelixecho
Alex Felix
1 year
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@alexsfelixecho
Alex Felix
2 years
✨Loeffler’s endocarditis ✨ 👉🏽In this case: Chronic Eosinophilic Leukemia - hypereosinophilic syndrome resulting in Loeffler’s endocarditis: restrictive cardiomyopathy / endomyocardial fibrosis +mural thrombi 👍🏼review: #echofirst @iamritu @EGarciaSayan
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@alexsfelixecho
Alex Felix
8 months
🌟Unicuspid Ao Valve is not an 🦄! Underdiagnosed in daily practice✨ Another patient (25y🙋🏽‍♂️) with a lifelong diagnosis of bicuspid Ao valve. In fact, it is an unicuspid Ao valve ✌🏽 3D echo makes the difference: look the aspect of the valve base (looks like Bicuspid) and when
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@alexsfelixecho
Alex Felix
1 year
✨What do U think? 🤔 🔺79y👨🏽‍🦳, NYHA II, peripheral congestion, large V wave in jugular venous pulse 🔺Late PO mechanical mitral prosthesis (lost timing) 👉🏽 ⬆️ right chambers +RV dysfunction (+persistent AF) 🌟In subcostal view: can you explain these images/flow?🤔
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@alexsfelixecho
Alex Felix
4 years
Have you seen something like this before? Young patient progressive dyspnea, abdominal pain + fever. @lpbadano @purviparwani @NMerke @iamritu @alcantaramonica @3DEcho_Brazil @AnaPaulaSicili1 @hahn_rt Necrotizing Aortitis + Giant thoracic aortic aneurism + rupture invading main PA
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@alexsfelixecho
Alex Felix
2 years
🌟Very happy to be cited among the Top15 #echofirst influencers in the latest JASE issue Glad to be part of this spectacular community 👏🏼💫 @NMerke @vass_vassiliou @purviparwani @SeguraCardio @SilCastelletti @iamritu @fiore_corrado @Ivan_Echocardio
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@alexsfelixecho
Alex Felix
2 years
🚨✨Young male, progressive SOB. Normal CATH🤔 MR under maintenance 👀 🌟Aneu x Pseudoaneu? 💡Etiology? Any thoughts? #echofirst @NMerke @lpbadano @echo_stepbystep @iamritu @purviparwani @DrRajeshG1 @ShelbyKuttyMD @SeguraCardio @dr_benoy_n_shah @ASE360 @JaeKOh2 @AJamilTajik
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@alexsfelixecho
Alex Felix
1 year
✨Happy to share our publication in ABC imaging (official journal of 🇧🇷 CV imaging department) “My approach to 3D #echofirst for Pathophysiological classification of TR” ⭐️ @alcantaramonica @papadocardio @NMerke @echo_stepbystep @lpbadano @denisamuraru
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@alexsfelixecho
Alex Felix
4 years
Young female. 3y TV bioprosthesis(IE)+PM RV lead. Accelerated degeneration by lead trauma (one leaflet destroyed). Submitted to TV redo+epicardial PM @lpbadano @alcantaramonica @denisamuraru @AnaPaulaSicili1 @NMerke @marcelohaertel @3DEcho_Brazil @ASE360 @fazalabul @purviparwani
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@alexsfelixecho
Alex Felix
1 year
🫨What is happening here? 🩺42y 🧔🏽typical angina, continuous murmur left paraesternal border 🫀 ✨Right chambers ⬆️, moderate LV dysfunction #echofirst #cardiotwitter @NMerke @echo_stepbystep @dr_benoy_n_shah @AntonioBarros_ @lpbadano @StellEkaterina @echo_batman @rajdoc2005
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@alexsfelixecho
Alex Felix
1 year
🌟Medicine is an eternal learning 🙏🏼😃 ✨Young 💁🏾‍��️, SOB High output arteriovenous fistula for hemodyalisis evolving with high output Heart Failure + 🌊Torrential functional TR Look at the results after AV fistula closing. Incredible 🚀 #echofirst #cardiotwitter
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@alexsfelixecho
Alex Felix
2 years
💡Do you use right parasternal (PS) window in your #echofirst routine? - Have you tried to get 3D images from this view? 🌟 Take a look at this case, incredible details at right PS missed by conventional windows 😃 👉🏽 Poll 📝 @iamritu @purviparwani
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@alexsfelixecho
Alex Felix
2 years
🤔 How many papillary muscles are you seeing here?👂 🫀Obstructive HCM, young patient. Am I imagining in imaging?😂 MR pending ⏰ #echofirst #CardioTwitter @purviparwani @LopezOpitz @drzgezdentok1 @JGrapsa @lpbadano @argulian @NMerke @echo_stepbystep @lpbadano @AJamilTajik
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@alexsfelixecho
Alex Felix
1 year
⭐️Have you tried to use Left InsterScapular Approach (LISA) 💪🏽 to look for descending thoracic aorta dissection / aneurysm? Yes, it is possible even without pleural effusion…✅ See article: One more case to illustrate 🤩 #cardiotwitter #echofirst
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@alexsfelixecho
Alex Felix
1 year
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@alexsfelixecho
Alex Felix
5 months
✨Immediate postop MV repair Pericardial Tamponade - Large efusion with strands / cloths - high mobility + suspicious color Doppler 🚨 🤔 flow inside? 🫧Agitated saline (end of video) showed no contrast inside pericardium - surgery confirmed that there was no active leak ✨
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@alexsfelixecho
Alex Felix
7 months
🎯Chronic severe AR Bicuspid Ao Valve Anterior mitral leaflet restriction by AR jet incidence 🌟Great value of Echo #echofirst for diagnosis and follow-up @NMerke 🗣️Reg Vol = 85ml by 3D volumetric calc (SV LV - SV RV) #cardiotwitter #cardioX @StellEkaterina @echo_stepbystep
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@alexsfelixecho
Alex Felix
1 year
✨LV Contractility pattern in 3D multiplanar #echofirst views shows us clear apical sparing (radial component) 👨🏽‍🦳 Familial ATTR amyloidosis All deformation components are more altered in mid-basal segments. Also amyloid infiltration in LA atrial wall + interatrial septum /
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@alexsfelixecho
Alex Felix
1 year
✨Heroic LV 💪🏽, trying to eject blood against a triple “outflow” obstruction 👵🏼83y old NYHA II-III What would you try to address first and preferential options for treatment? #echofirst #cardiotwitter @NMerke @alcantaramonica @StellEkaterina @echo_batman @echo_stepbystep
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@alexsfelixecho
Alex Felix
6 months
✅Young 🧔🏽‍♂️with AscAo Aneurysm ✅ Chronic Severe AR ✅ Symptomatic with ⬆️MR (prev mild➡️mod) 1🌟What influences your decision to operate or not Mitral Valve 2🌟What predicts reverse remodeling and ⬇️MR? (only address AR will do the job?) 🧵Thread 1/7 🚨Poll in the end
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@alexsfelixecho
Alex Felix
3 years
✅ Some unicuspid Ao valves are misclassified as bicuspid, because of the appearance of the base of the leaflet You may realize unicuspid shape looking at the tip 👉🏽nicer with 3D😎 #echofirst @lpbadano @hahn_rt @michelenahector @fiore_corrado @NMerke @echo_stepbystep @donoxorn
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@alexsfelixecho
Alex Felix
1 year
🚨The most feared complication of percutaneous balloon mitral valvuloplasty ✅ Important message: don’t rely only on Wilkins score for prediction of success/complications🤔 👀 subvalvular involvement 👀 severity of comissural calcification 👀 asymmetry: fusion / calcification
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@alexsfelixecho
Alex Felix
2 years
Pt with + Mech prosthesis Mitral+Aortic (4y). 😏in follow-up Aortic PPM with medium grad ~25mmHg 🚨Last #echofirst ⬆️40mmHg (≠HR/SBP)- “thrombosis”?🤔 A TEE was considered and I suggested Radioscopy first.. Discs with 👍🏼mobility Often we can’t 👀 clearly the Ao discs in TEE👌🏽
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@alexsfelixecho
Alex Felix
9 months
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@alexsfelixecho
Alex Felix
1 year
Real “Saddle” pulmonary artery thrombus (emboli) Beautiful imaging by @anais 👏🏼👏🏼👏🏼⭐️ #echofirst made the day ✨
@anais_dahoumane
Dahoumane Zahra Anais, MD
1 year
When Tranthoracic Echocardiography make the clear diagnosis.. Massive Pulmonary Embolism @EchoBielefeld @drahmedmohsen85 @EchofirstB @BhaskarArora_MD @ASE360 @nat_echo
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@alexsfelixecho
Alex Felix
7 months
🚨Acute Aortic Dissection Stanford A 🚨Highly pressurized false lumen 🌟 AR caused by intimal flap dropping over NC leaflet 🏆 Valve sparing aortic root replacement (David) with success 👌🏽 #echofirst #cardioX #cardiotwitter @ovidiogarciav @drahmedmohsen85 @KemalogluOz
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@alexsfelixecho
Alex Felix
1 year
Amazing depiction of an VSD post myocardial infarction with superposition of Echo and incredible CT images 🤩 @Steph_Achenbach 👏🏼👏🏼
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@alexsfelixecho
Alex Felix
3 months
🌟Rheumatic mitral stenosis - In these patients, when you see this pattern on color Doppler…. what is the explanation? #echofirst #cardiotwitter @argulian @alex1708ander @NMerke @echo_stepbystep @StellEkaterina @AJamilTajik @purviparwani @iamritu @RobertoC8a @mariovar55
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@alexsfelixecho
Alex Felix
1 year
✨Young 👩🏻, mod efforts dyspnea, syncope Referred for ICD implant ⚡️ 1-baseline midventricular obstruction and no LVOT obst (reverse septal)- do we need 🏃🏻‍♀️Ex. echo? 2-This case GDMT💊not optimized, but if refractory to Tx, what else can we offer? LVOT obst not being the
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@alexsfelixecho
Alex Felix
1 year
This is a rare case of fistula of circumflex artery to coronary sinus 😃⭐️ Many correct answers and others had great differential diagnosis for this case 🌟🤝🔝 #echofirst
@alexsfelixecho
Alex Felix
1 year
🫨What is happening here? 🩺42y 🧔🏽typical angina, continuous murmur left paraesternal border 🫀 ✨Right chambers ⬆️, moderate LV dysfunction #echofirst #cardiotwitter @NMerke @echo_stepbystep @dr_benoy_n_shah @AntonioBarros_ @lpbadano @StellEkaterina @echo_batman @rajdoc2005
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@alexsfelixecho
Alex Felix
10 months
✨What is the cause? Can you point the complications? 52y 👨‍🦰, astenia, weight loss, low fever, hemorrhagic stroke 2 weeks ago. Acute pain in popliteal fossa 🤔 #echofirst #cardiotwitter @echo_stepbystep @NMerke @StellEkaterina @DrRajeshG1 @argulian @marciomp50 @AntonioBarros_
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@alexsfelixecho
Alex Felix
4 months
👵🏼Elderly woman Syncope episodes 😳 Systolic murmur left sternal border / aortic area: 💥aortic stenosis suspected 🤔 #Echofirst - sigmoid IV septum +basal hypertrophy 👉🏽LVOT obstruction (~ 100mmHg rest) +SAM+severe MR Hypovolemic 🚨‼️ #echofirst @NMerke @echo_stepbystep
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@alexsfelixecho
Alex Felix
8 months
✨Young patient, asymptomatic ✨ Surgery in the past - aortic coarctation What about this mitral valve??🤔 🔘Severe MR - Reg Vol: 80ml 🔘 MV area: 3,7cm2 (3D echo) 🔘⬆️ LV, LA 🔘PASP : 42mmHg 🔘GLS normal #echofirst #cardiotwitter @cardiopedhnn @ShelbyKuttyMD @NMerke
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@alexsfelixecho
Alex Felix
11 months
“PFOous” ASD = born ASD but behaves like a PFO 🤩😜 First heard this term from my good friend Dr. Max Lacoste, master of Echo in structural intervention in LATAM 🌟 The greatest problem is these small defects are not vol. overload, but a source of paradoxal embolic events 🚨
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@alexsfelixecho
Alex Felix
11 months
✨Great example by @VerwerftJan of where right parasternal view (RPV) can save the day 😎 I always perform RPV in pts with Ao valve disease. There is data showing that in ~50% of patients we can get highest Ao grad from RPV, specially when LV-Ao root angle <115º 😀*). It is
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@VerwerftJan
Jan Verwerft
11 months
AS with MG < 40 ⁉️ What is your reflex?🧐 #echofirst #AS #AorticStenosis #CardioTwitter
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@alexsfelixecho
Alex Felix
1 year
🚨 9y old boy, + 🧬Loeys-Dietz ✨Ao root: 4.5cm (Z score +10.13) 👉🏽What is your experience? Valve-sparing Ao root replacement right away? #echofirst @echo_stepbystep @NMerke @dr_benoy_n_shah @FGraziani_Grace @cardiopedhnn @ShelbyKuttyMD @schaefers_hans
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@alexsfelixecho
Alex Felix
2 years
🌟A New Kid on the Block in POCUS:“LISA”- Just published @onlineIJCS 😀 A different POCUS approach to look for descending aortA aneurysm! It is possible to obtain dorsal window even in the absence of pleural effusion in some cases. @NMerke #echofirst
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@alexsfelixecho
Alex Felix
3 years
Cardiotoxicity in low dose AC (180mg/m2). Improvement after 4w beta/ACEi. Strain ⬆️14.9%, GCW ⬆️ 47.8%. Is there any additional role - Myocardial work in CTRCD? #cardioonc #echofirst #cardiotwitter @strain_rate @echo_stepbystep @DrLustosa @ppsengupta1 @NMerke @lpbadano @ASE360
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Alex Felix
2 years
Great example of unicuspid aortic valve 🌟
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Alex Felix
8 months
Beautiful 3D #echofirst image of a quadricuspid tricuspid valve 🌟👏🏼 @Joe_Aoun_ and @HMethodistCV
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Alex Felix
3 years
🚨40y 👩🏻, SOB+hypoxemia Late diagnosis of ASD OS RV ⬆️ /dysfunction +eisenmenger’s ✨How about thrombi in dilated PA in this patient? 🤔Emboli? In situ? Any thoughts? #EchoFirst @hahn_rt @lpbadano @dr_benoy_n_shah @echo_stepbystep @NMerke @iamritu @purviparwani @MAecocardio
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@alexsfelixecho
Alex Felix
5 months
🌟👩🏻 pt with RHD with Severe MS / “moderate”(+) AR ✅Recent NYHA I->II ✅Drop EF from Normal 👉🏽45% and SGL -8,9%🚨 ✅ MV area 0,7cm2 (3D) with gradients = 11/5mmHg 👉🏽🤔 Why underestimated? - flow through PFO answers: 22+8(RAP) = LAP-11 (MV grad) = 19 LVDP ⬆️ 👉🏽surgery ASAP
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@alexsfelixecho
Alex Felix
3 years
30y female APS with previous PE 🫁 Admitted with COVID + w/ SOB / Hemodinamic instability and ⬇️ SaO2 - new PE PA thrombus easily seen by TTE - high paraesternal SAX/PLAX #echofirst @fiore_corrado @echo_stepbystep @NMerke @dr_benoy_n_shah @iamritu @Hragy @purviparwani
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Alex Felix
8 months
✨Why normal patients may have “dilated” inferior vena cava (especially young) Turn left to lateral decubitus to find out 😀 (gravity) Explanation in 🎥 🌟learned from 👉🏽 @fpmorcerf #cardiotwitter #echofirst @NMerke @StellEkaterina @echo_stepbystep @mariovar55
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@alexsfelixecho
Alex Felix
3 years
🌟All that glitters is not gold! 67y,🧔🏽‍♂️ HTN/DM/CRF + dialysis/fistula - Degenerative AR. This ⬆️ pulsatility in the neck is not caused by Hemodinamic repercussion of AR😀 #echofirst #CardioTwitter @NMerke @echo_stepbystep @dr_benoy_n_shah @Hragy @SABOURETCardio @DrRajeshG1
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