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Ryan Chizner, DO, MPH, FACC, RPVI

@ryanchizner.bsky.social
16 followers 29 following 3 posts
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American College of Cardiology @accintouch.bsky.social · 28/10/2025
🚨 #AI-based #ECG analysis significantly improved #STEMI detection, ⬇️ false activations and enhanced recognition of non-conventional presentations, based on late-breaking science from #TCT2025 and published in #JACCINT. Read more: bit.ly/3LdZn6b #CardioSky #MedSky @jaccjournals.bsky.social
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
JACC Journals @jaccjournals.bsky.social · 28/10/2025
Despite Class I guideline indications, most patients with severe aortic regurgitation remain untreated. This #JACC review outlines advances in diagnosis, surgical refinements, and emerging transcatheter options to bridge this gap. bit.ly/3WPcVHM #TCT2025 #vhdAR #CardioSky
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
SCAI @scainews.bsky.social · 28/10/2025
Expand your #InterventionalCardiology knowledge with SCAI ebooks—comprehensive, peer-reviewed resources covering the latest procedures, techniques, and best practices. Download these tools for FREE➡️ scai.org/publications/ebooks #SCAIMCSebook #SCAITTEERebook #CardioSky
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
SCAI @scainews.bsky.social · 24/10/2025
The October QITip is here! Learn a step-by-step approach for managing entrapped gear during #PCI with insights on pulling/telescoping, trapping, snaring, and bailout strategies. Read the full tip ➡️ ow.ly/O9lf50Xgwez #CardioSky #QualityImprovement
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
EuroIntervention @eurointervention.bsky.social · 24/10/2025
In STEMI patients with multivessel disease, reduced LVEF increases ischaemic risk — but the COMPLETE trial showed complete revascularisation reduces major CV events regardless of LVEF. #cardiosky #medsky #LVEF #cardiology eurointervention.pcronline.com/article/impa...
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
TCTMD @tctmd.bsky.social · 24/10/2025
Semaglutide’s CV Effects Only Partially Tied to Weight Loss: SELECT Analysis
tctmd.com
Semaglutide’s CV Effects Only Partially Tied to Weight Loss: SELECT Analysis
Semaglutide’s CV Effects Only Partially Tied to Weight Loss: SELECT Analysis ccox@crf.org Fri, 10/24/2025 - 16:03 Yael L. Maxwell More work needs to be done to tease out the mechanisms by which GLP-1 RAs lower the risk of MACE, researchers say.
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
EuroIntervention @eurointervention.bsky.social · 25/10/2025
🔍 Large-bore vascular closure: ProGlide or MANTA? A new patient-level meta-analysis of randomized trials compares outcomes between these two commonly used devices. Discover the results here 👇👇 eurointervention.pcronline.com/article/sutu... #cardiosky #medsky #vascularclosure
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American College of Cardiology @accintouch.bsky.social · 08/10/2025
According to the phase 3 HYPERION trial conducted by Vallerie V. McLaughlin, MD, FACC, et al., adding sotatercept to standard care lowers the risk of clinical worsening in patients recently diagnosed with #cvPAH. 📰 Read the full article: bit.ly/4q2pE7w #CardioSky
bit.ly
HYPERION: Sotatercept Delays Worsening of PAH Diagnosed Within First Year - American College of Cardiology
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American College of Cardiology @accintouch.bsky.social · 08/10/2025
🔴 High BP affects ~50% of U.S. adults. 🆕 2025 ACC/AHA Guideline reaffirms <130/80 mm Hg goal & updates risk tools, prevention & resistant HTN care. Summary in #CardiologyMag → bit.ly/4q2GBP5 #Hypertension #ClinicalGuidelines #CardioSky
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American College of Cardiology @accintouch.bsky.social · 06/10/2025
When compared with SAPT, #DAPT after valve-in-valve #TAVI to treat surgical bioprosthesis dysfunction may be associated with a lower 1-year #stroke incidence, according to a study published in #JACCINT. 📖 Read more: bit.ly/4o5Q8De
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
John Giacona, PhD, PA-C @giaconajohn.bsky.social · 29/09/2025
Subclinical primary aldosteronism is an under-recognized driver of cardiovascular risk. Could it be a new target for CV prevention? Read our Circulation editorial —>
ahajournals.org
Subclinical Primary Aldosteronism: A Potential New Target in Cardiovascular Prevention? | Circulation
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
Society of Nuclear Medicine and Molecular Imaging @snm-mi.bsky.social · 19/09/2025
Early and accurate diagnosis of coronary artery disease is critical for improved patient outcomes. @asnc.bsky.social, @eanm.org, ACNM, and SNMMI have developed new guidelines for 18F-flurpiridaz PET myocardial perfusion imaging (MPI) and blood flow quantitation. snmmi.org/Web/News/Art...
snmmi.org
New International Guideline Provides Expert Guidance for PET Imaging of Patients with Coronary Arter
The Society of Nuclear Medicine and Molecular Imaging (SNMMI), American Society of Nuclear Cardiology (ASNC), European Association of Nuclear Medicine (EANM), and American College of Nuclear Medicine ...
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
TCTMD @tctmd.bsky.social · 21/09/2025
Transthyretin cardiac amyloidosis is the leading cause of HF in older Black patients, particularly for men, and screening with nuclear imaging should be more frequent for this population, based on findings from the SCAN-MP study. www.tctmd.com/news/transth...
tctmd.com
Transthyretin Cardiac Amyloidosis a Common Cause of HF in Older Black Patients
With effective therapies available, the findings suggest screening with nuclear imaging should be more frequent in this population.
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American Society of Echocardiography @ase360.bsky.social · 22/09/2025
Have you read our newest #ASEGuideline, "Guidelines for the Standardization of Adult Echocardiography Reporting?" This report focuses on the final phases of the diagnostic imaging process, specifically reporting and communicating exam results. Read it now: bit.ly/46wUcFD
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
Phil Riley @drphilriley.bsky.social · 22/09/2025
Great article for residents. LGE establishes the basis for re-entry for V-Tach. #CardioSky #SCD academic.oup.com/eurheartj/ar...
academic.oup.com
Late gadolinium enhancement imaging and sudden cardiac death
Abstract. The prediction and management of sudden cardiac death risk continue to pose significant challenges in cardiovascular care despite advances in the
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
L.A. McKeown @lamckeown1.bsky.social · 22/09/2025
www.tctmd.com/news/europea... #CardioSky #COVID
tctmd.com
European Experts Provide Advice on Managing CV Effects of COVID-19
The paper aims to increase awareness of cardiac long COVID and make management quicker, more accurate, and safer.
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American College of Cardiology @accintouch.bsky.social · 23/09/2025
A 🆕 ECDP addressing "10 issues for the clinician in TR evaluation & management" focuses specifically on patients w/ secondary #vhdTR in the chronic setting & is intended to serve as a bridge to a future update of ACC/AHA #cvVHD guideline. Read more: bit.ly/4ncVbSp #JACC #CardioSky #MedSky
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
Women As One @womenasone.bsky.social · 08/09/2025
High LDL cholesterol often has no symptoms but can have serious consequences. Amgen’s documentary, “The Making of a Heart Attack,” shares real stories of people affected & what they wish they'd known. 📺 AttackHeartDisease.com/Documentary #CholesterolMonth #CardioSky #AmgenSponsored
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
JAMA @jama.com · 28/08/2025
Valvular heart disease from tricuspid regurgitation has 5 grades of severity. This JAMA Insights discusses the classification, diagnosis, management, and treatment options for tricuspid regurgitation. ja.ma/3HLkw6A
JAMA insights: Management of Tricuspid Regurgitation. Algorithm: Patient presents with severe tricuspid regurgitation(TR) then perform diagnostic modalities like echocardiography, hemodynamic evaluation, CT, or MRI for TR diagnosis.
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
@IM_Crit_ @imcrit.bsky.social · 27/08/2025
Decongestion Secrets ("ammo" for rounds): In a multi-center study of 283 acute heart failure patients, changes in renal filtration markers (cystatin C or creatinine) with aggressive diuresis were not associated with changes in markers of renal tubular injury (NAG, NGAL, or KIM-1)
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American College of Cardiology @accintouch.bsky.social · 25/08/2025
#AI-based stethoscopes can accurately diagnose left-sided valvular heart disease, according to original research published in #JACCAdvances. Get details ➡️ bit.ly/3HRzFTI #cvVHD #CardioSky #MedSky @jaccjournals.bsky.social
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American Journal of Preventive Cardiology @ajpcardio.bsky.social · 22/08/2025
Early detection = better prevention. 🫀 Identifying & managing high-risk patients is key to stopping CVD before it starts. 👉 www.sciencedirect.com/science/arti... #HeartHealth #CardioPrevention #CardioSky #MedSky
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
Max Feige @2therescue.bsky.social · 23/08/2025
Ten-Year Follow Up Data of the Edwards SAPIEN XT TAVI prosthesis. Guideline changing? www.accessdata.fda.gov/scripts/cdrh... #CardioSky #MedSky
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American College of Cardiology @accintouch.bsky.social · 24/08/2025
If you’re in CV training navigating an unexpected financial hardship, the ACC Benevolence Fund is here for you. This confidential 🤝 program is designed to help our members during tough times—because community care matters. Learn more & apply by Aug. 30: bit.ly/4oUb6q4 #CardioSky #MedSky
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
Dr Lipid @drlipid.bsky.social · 23/08/2025
Periodically I repost this very useful document (glossary of terms) for those try to master lipids/lipoproteins. Print it out - peterattiamd.com/glossary-lip... @nationallipid.bsky.social @aspcardio.bsky.social @familyheartfdn.bsky.social @escardio.bsky.social
peterattiamd.com
Narrative glossary: lipids - Peter Attia
A companion post for the podcast episodes with Thomas Dayspring, M.D., FACP, FNLA (October 15-19, 2018).
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American Heart Association Journals @ahajournals.bsky.social · 14/08/2025
View additional info and supplemental resources via @ahascience.bsky.social here: professional.heart.org/en/science-n...
professional.heart.org
2025 High Blood Pressure Guideline
The 2025 High Blood Pressure Guideline replaces the 2017 ACC/AHA High Blood Pressure Guideline, incorporating updated recommendations based on the latest clinical evidence through early 2025.
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American Heart Association Journals @ahajournals.bsky.social · 14/08/2025
The AHA/ACC have released the 2025 High Blood Pressure Guideline, emphasizing prevention and early treatment to reduce cardiovascular disease risk. Read the Guideline in #Hypertension & #Circulation and check out our hub with commentaries and more: www.ahajournals.org/guidelines/h... #Cardiosky
AHA/ACC High Blood Pressure Guideline
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
Med-IQ cardiology @med-iqcardiology.bsky.social · 12/08/2025
Ultraprocessed foods are connected with cardiometabolic disease, chronic illness, mortality risk. What are they exactly & are they all bad? New AHA guidance provides some insight, nuance. Helpful framing or mixed messaging? Read more here: www.ahajournals.org/doi/full/10.... #CardioSky
ahajournals.org
American Heart Association Journals
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
European Society of Cardiology @escardio.bsky.social · 06/08/2025
#WednesdayRead Focus on mechanisms and management of acute and non-acute ischaemic syndromes: ow.ly/jhAZ50WzULj #EHJ
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American Society of Echocardiography @ase360.bsky.social · 06/08/2025
We have an entire Microlesson Series on HCM, comprised of 15 videos that dive into all things #HCM! 🫀 The best part: they are #FREE. Earn 2 AMA PRA Category 1 Credit(s)™ by enrolling in our "Hypertrophic Cardiomyopathy Microlessons: On-Demand!" bit.ly/3AbtOEB
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Ryan Chizner, DO, MPH, FACC, RPVI @ryanchizner.bsky.social · 02/08/2025
New Research Shows Eggs Don't Raise Your Cholesterol—But Here's What Does
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
Thanh Nha Thai, MD @thaithanhnha.bsky.social · 29/06/2025
New Algorithm for Estimating Left Ventricular Filling Pressure by Echocardiography. www.ahajournals.org/doi/10.1161/... @ahajournals.bsky.social #CardioSky #MedSky #EnchoCardiography #Circulation
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
Parham Eshtehardi MD @cardioobdoc.bsky.social · 28/06/2025
AMA agrees to help after initial request for an independent CV board was denied @accintouch.bsky.social cardiovascularbusiness.com/topics/healt...
cardiovascularbusiness.com
AMA agrees to help after initial request for an independent cardiovascular board was denied
After their proposal for a new American Board of Cardiovascular Medicine was shot down earlier this year, cardiology groups have asked the AMA for some support. "We feel like it's time for us to blaze...
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
SCAI @scainews.bsky.social · 20/06/2025
🩺Our June #QITip is now available! Read about emerging strategies to reduce radial artery occlusion and review various hemostasis methods. Check out the full tip➡️ scai.org/newer-emergi... #InterventionalCardiology #QualityImprovement #CardioSky
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
TCTMD @tctmd.bsky.social · 20/06/2025
A new scientific statement from @americanheart.bsky.social offers guidelines for clinicians to better educate patients on the cardiovascular risks of alcohol consumption and provides clear definitions of "standard" US drinks. More here: www.tctmd.com/news/aha-off...
tctmd.com
AHA Offers a Primer on Alcohol’s CV Impact, Areas of Uncertainty
Alcohol is a hot topic—the new statement sums up the evidence and provides ways to help patients understand the risks.
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
TCTMD @tctmd.bsky.social · 20/06/2025
Troponin Spikes After Exercise Not Linked to CAD in Middle-aged Athletes
tctmd.com
Troponin Spikes After Exercise Not Linked to CAD in Middle-aged Athletes
Troponin Spikes After Exercise Not Linked to CAD in Middle-aged Athletes cmacahilig@crf.org Fri, 06/20/2025 - 10:29 Michael O'Riordan Release of cardiac troponin after intense endurance exercise is common, but it doesn’t signal occult disease.
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
TCTMD @tctmd.bsky.social · 21/06/2025
“If someone has high Lp(a), you can use PREVENT and generally feel pretty confident that it does a good job of predicting someone's risk category on a broad population-level at least," said @hsbhatia.bsky.social. Read more about AHA's calculator for assessing ASCVD: www.tctmd.com/news/prevent...
tctmd.com
PREVENT Risk Calculator Works Well in Patients With High and Low Lp(a)
Lp(a) only modestly improved prediction when added to risk estimates, but it still can be used to personalize care.
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
The BMJ @bmj.com · 20/06/2025
BMJ finds inaccuracies in key studies for AstraZeneca’s blockbuster heart drug ticagrelor. Investigation finds evidence of serious misreporting, raising fresh doubts over the approval and decade long use of ticagrelor www.bmj.com/content/389/...
Ticagrelor
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
pibarotp.bsky.social @pibarotp.bsky.social · 10/06/2025
This is a new classification that we proposed to describe the clinical presentation in aortic stenosis; just published in Circulation. www.ahajournals.org/doi/10.1161/...
ahajournals.org
New Classification to Describe Clinical Presentation in Aortic Stenosis: Stable, Progressive, and Acute Valve Syndrome | Circulation
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
TCTMD @tctmd.bsky.social · 10/06/2025
PREVENT Risk Calculator Works Well in Patients With High and Low Lp(a)
tctmd.com
PREVENT Risk Calculator Works Well in Patients With High and Low Lp(a)
PREVENT Risk Calculator Works Well in Patients With High and Low Lp(a) cmacahilig@crf.org Tue, 06/10/2025 - 15:03 Michael O'Riordan Lp(a) only modestly improved prediction when added to risk estimates, but it still can be used to personalize care.
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
Thanh Nha Thai, MD @thaithanhnha.bsky.social · 10/06/2025
Alcohol Use and Cardiovascular Disease: A Scientific Statement From the American Heart Association. www.ahajournals.org/doi/10.1161/... @ahajournals.bsky.social #CardioSky #MedSky #Circulation
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
George Conway ⚖️🇺🇸 @gtconway.bsky.social · 10/06/2025
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
Nature @nature.com · 10/06/2025
This tiny device can shrink dangerous blood clots. It’s called the ‘milli-spinner’ and its invention was partly an accident…
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
khartoon.bsky.social @khartoon.bsky.social · 02/06/2025
youtube.com/watch?v=B-Pr... #CardioSky
youtube.com
Novel Treatments for TTR Amyloidosis | JACC Journal Club
YouTube video by American College of Cardiology
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
Parham Eshtehardi MD @cardioobdoc.bsky.social · 21/05/2025
Prognostic Relevance & Lower Limit of Reference Range of LV GLS: Clinical Validation Study #CardioSky #JACCIMG www.jacc.org/doi/10.1016/... @docstrom.bsky.social @davidwienermd.bsky.social @jgrapsa.bsky.social @vietheartpa.bsky.social @anastasiasmihaili.bsky.social @jaccjournals.bsky.social
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
American Journal of Preventive Cardiology @ajpcardio.bsky.social · 19/05/2025
🚨 New study! PREVENT vs. Pooled Cohort Equations (PCE) for 10-year ASCVD risk in UK Biobank (n=370K+): ✅ Similar discrimination (C-stat ~0.73 women, ~0.70 men) ✅ PREVENT = better calibration ✅ Lower absolute risk predictions 🔗 ow.ly/axoE50VV5HY #CardioSky #MedSky #ASCVD
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
NEJM.org @nejm.org · 10/05/2025
The aldosterone synthase inhibitor lorundrostat may be an effective treatment for uncontrolled, treatment-resistant hypertension. Research findings from the Advance-HTN trial are summarized in a new Quick Take video. nej.md/4iUsNRT #MedSky #CardioSky
An illustration showing how aldosterone dysregulation is a driver of persistent blood-pressure elevation in patients with uncontrolled, treatment-resistant hypertension
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
TCTMD @tctmd.bsky.social · 05/05/2025
Studies Spotlight Safety Concerns With Pulsed-Field Ablation for AF
tctmd.com
Studies Spotlight Safety Concerns With Pulsed-Field Ablation for AF
Studies Spotlight Safety Concerns With Pulsed-Field Ablation for AF sciprian@crf.org Mon, 05/05/2025 - 15:31 Todd Neale It’s not as “perfect as they are selling it,” but it does avoid the more catastrophic complications of thermal ablation, says one EP.
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Reposted by Ryan Chizner, DO, MPH, FACC, RPVI
NEJM.org @nejm.org · 02/05/2025
For a woman with device-detected atrial fibrillation, would you initiate anticoagulant therapy or recommend continuation of antiplatelet therapy? Read the case vignette and essays on both treatment options and cast your vote: nej.md/4lQzxTA #MedSky #CardioSky #Afib
CLINICAL DECISIONS 
Anticoagulation or Antiplatelet Therapy for Device-Detected Atrial Fibrillation 

An illustration of a smartwatch monitoring ECG and two bottles, one containing an anticoagulant, and the other containing aspirin
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