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by CardioNerds
Welcome to CardioNerds, where we bring you in-depth discussions with leading experts, case reports, and updates on the latest advancements in the world of cardiology. Tune in to expand your knowledge, sharpen your skills, and become a true CardioNerd!
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- 2 days ago6 min
466. ACS Guidelines Question #5 with Dr. Binita Shah
This episode is part of our comprehensive Decipher the Guidelines Series covering the 2025 ACC/AHA/ACEP/NAEMSP/SCAI Guideline for the Management of Patients With Acute Coronary Syndromes. The following question refers to Section 4.3 of the 2025 ACS Guidelines. The question is asked by Thomas Jefferson medical student and CardioNerds Academy Intern Dr. Grace Qiu, answered first by Cleveland Clinic interventional and structural cardiology fellow and member of the CardioNerds Interventional Cardiology Council Dr. Eunice Dugan, and then by expert faculty Dr. Binita Shah. Dr. Binita Shah is an associate professor of medicine, interventional cardiologist, Director for research in Interventional Cardiology, and Director of the Department of Medicine Clinical Investigator Track at NYU. She is also an associate director of interventional cardiology and director of the transcatheter valve program at the VA New York Harbor Healthcare System. She was a member of the 2025 ACS Guidelines writing committee. Question #5 A 64-year-old woman with NSTE-ACS is taken to the cardiac catheterization laboratory. She is P2Y12 inhibitor-naive as she was unable to tolerate oral intake due to severe nausea and vomiting. Coronary angiography reveals a high-grade, thrombotic lesion in the mid-Right Coronary Artery. The interventionalist decides to initiate an intravenous P2Y12 inhibitor before proceeding with PCI. Which of the following is the most appropriate management strategy? A Administer Cangrelor as a 30 mcg/kg IV bolus followed by a 4 mcg/kg/min infusion for at least 2 hours or the duration of PCI, whichever is longer. B Administer Eptifibatide (GP IIb/IIIa inhibitor) as a routine double-bolus followed by an infusion to replace the need for P2Y12 inhibition. C Delay the procedure for 2 hours to allow for the administration and absorption of 600 mg of oral Clopidogrel. D Administer Cangrelor as a 180 mcg/kg bolus followed by a 2 mcg/kg/min infusion for exactly 1 hour. Answer #5 Explanation The correct answer is A. Cangrelor is the only intravenous P2Y12 inhibitor currently available. It is a direct-acting, intravenous antagonist of the P2Y12 receptor characterized by rapid and potent platelet inhibitory effects, with restoration of platelet function occurring within 1 hour of drug discontinuation. It also has a very short half-life (3–6 minutes). Among patients with ACS undergoing PCI who have not received a P2Y12 inhibitor, intravenous cangrelor may be reasonable to reduce periprocedural ischemic events (Class 2B; LOE B-R). Dosing Strategy: Bolus: 30mcg/kg IV bolus administered rapidly (under 1 minute) before PCI begins. Infusion: 4 mcg/kg/min IV infusion. Duration: The infusion must run for at least 2 hours or for the duration of the PCI, whichever is longer. Transition to Oral Therapy: Ticagrelor: 180mg can be given at any time (during or after the infusion). Prasugrel/Clopidogrel: loading dose must be given immediately after the infusion is stopped. Giving these earlier can lead to a drug-drug interaction where the Cangrelor prevents the active metabolite from binding to the receptor. In the CHAMPION PHOENIX trial, cangrelor was studied versus clopidogrel in patients undergoing PCI for acute or stable coronary syndromes. Cangrelor was administered as an intravenous bolus prior to PCI followed by an infusion for at least
- 3 days ago5 min
465. ACS Guidelines Question #4 with Dr. Binita Shah
This episode is part of our comprehensive Decipher the Guidelines Series covering the 2025 ACC/AHA/ACEP/NAEMSP/SCAI Guideline for the Management of Patients With Acute Coronary Syndromes. The following question refers to Sections 4.3.2 and 4.4 of the 2025 ACS Guidelines. The question is asked by Thomas Jefferson medical student and CardioNerds Academy Intern Dr. Grace Qiu, answered first by University of Miami cardiology fellow and member of the CardioNerds Interventional Cardiology Council Dr. Saahil Jumkhawala, and then by expert faculty Dr. Binita Shah. Dr. Binita Shah is an associate professor of medicine, interventional cardiologist, Director for research in Interventional Cardiology, and Director of the Department of Medicine Clinical Investigator Track at NYU. She is also an associate director of interventional cardiology and director of the transcatheter valve program at the VA New York Harbor Healthcare System. She was a member of the 2025 ACS Guidelines writing committee. Question #4 A 78-year-old man with a history of hypertension and controlled type 2 diabetes presents to a rural emergency department with 90 minutes of persistent, crushing, substernal chest pain. His ECG reveals 3-mm STE in leads V1 through V4. The nearest PCI-capable center is approximately 140 minutes away by ground transport, and air transport is unavailable due to weather. The patient refuses transfer to another facility for the duration of this admission. The clinical team decides to proceed with fibrinolytic therapy using weight-based Tenecteplase (TNK). Which of the following is the most appropriate initial antithrombotic regimen to accompany the fibrinolytic agent? A Clopidogrel 300 mg loading dose; Enoxaparin 30 mg IV bolus followed by 1.0 mg/kg SC every 12 hours. B Clopidogrel 75 mg (no loading dose); Enoxaparin 0.75 mg/kg SC every 12 hours (no IV bolus). C Ticagrelor 180 mg loading dose; Unfractionated heparin (UFH) weight-based IV bolus and infusion. D Prasugrel 10mg (no loading dose); Fondaparinux 2.5 mg IV bolus followed by 2.5 mg SC daily. Answer #4 Explanation (3-8 min to read) The correct answer is B. Clopidogrel is the only P2Y12 inhibitor with a Class 1 recommendation for use alongside fibrinolytic therapy to reduce death and MACE (Class 1, LOE A). Of note, pharmacodynamic variability in response to clopidogrel has been well described, and hyporesponders may be at increased risk of MACE and stent thrombosis when treated with clopidogrel after PCI. Other P2Y12 inhibitors such as ticagrelor and prasugrel are more potent than clopidogrel and achieve more rapid onset of inhibition of platelet activation but with increased risk of bleeding compared with clopidogrel. When administered concurrently with fibrinolytic as the reperfusion strategy, clopidogrel is recommended to be administered with a loading dose (300 mg, then 75 mg daily) for patients <75 years of age and starting without a loading dose (75 mg daily) for patients ≥75 years of age. In patients treated with a fibrinolytic agent who are undergoing subsequent PCI, either clopidogrel or ticagrelor (age <75 years, within 24 hours after a fibrinolytic agent) or prasugrel (>24 hours after a fibrinolytic agent) are alternatives to support PCI. Parenteral anticoagulation is recommended for all patients with ACS, irrespective of the initial treatment strategy, to t
- 4 days ago10 min
464. ACS Guidelines Question #3 with Dr. Binita Shah
This episode is part of our comprehensive Decipher the Guidelines Series covering the 2025 ACC/AHA/ACEP/NAEMSP/SCAI Guideline for the Management of Patients With Acute Coronary Syndromes. The following question refers to Section 3.2 of the 2025 ACS Guidelines. The question is asked by Thomas Jefferson medical student and CardioNerds Academy Intern Dr. Grace Qiu, answered first by Cleveland Clinic interventional and structural cardiology fellow and member of the CardioNerds Interventional Cardiology Council Dr. Eunice Dugan, and then by expert faculty Dr. Binita Shah. Dr. Binita Shah is an associate professor of medicine, interventional cardiologist, Director for research in Interventional Cardiology, and Director of the Department of Medicine Clinical Investigator Track at NYU. She is also an associate director of interventional cardiology and director of the transcatheter valve program at the VA New York Harbor Healthcare System. She was a member of the 2025 ACS Guidelines writing committee. Question #3 A 55-year-old woman is brought to the Emergency Department after an out-of-hospital cardiac arrest. She had a witnessed collapse with an initial shockable rhythm. Return of Spontaneous Circulation (ROSC) was achieved after 15 minutes of Advanced Cardiac Life Support (ACLS). Her post-resuscitation ECG shows diffuse ST-segment depression but no ST-segment elevation. She remains comatose. Which of the following is the most appropriate next step in her management regarding coronary angiography? A Immediate emergency coronary angiography (within 2 hours) should be performed. B Routine emergency coronary angiography is not recommended in the absence of ST-segment elevation or hemodynamic instability. C Coronary angiography should be delayed for at least 72 hours to allow for neurological recovery. D Fibrinolytic therapy should be administered immediately if the patient cannot reach a cath lab within 90 minutes. Answer #3 Explanation The correct answer is B. In resuscitated patients who are comatose after cardiac arrest, electrically and hemodynamically stable, and without evidence of STEMI, immediate angiography is not recommended due to lack of benefit (Class 3: No Benefit; LOE A) Patients who have been resuscitated after cardiac arrest and are noncomatose or who are comatose with favorable prognostic features and with evidence of STEMI, should undergo PPCI to improve survival. (Class 1; LOE B-NR). For patients such as this one, a delayed or selective approach should be taken once the patient is stabilized. Early angiography should not be denied solely based on a comatose state, but it should be deferred if there are clear non-cardiac causes for the arrest or if the patient’s overall prognosis is futile. A is incorrect because recent evidence shows no benefit to “emergency” PPCI for stable patients without ST-elevation. C is incorrect because while we wait for stability, we don’t necessarily have a fixed 72-hour “mandatory” delay for the heart if ischemia is suspected. D is incorrect, as fibrinolysis is generally not indicated for post-arrest patients without clear STEMI and carries risks in a post-CPR setting due to potential trauma. The MIRACLE2 Score is a tool for neuroprognostication. It helps clinicians estimate the likelihood of a poor neurological outcome at 6 months
- Aug 17, 202639 min
463. Multimodality Imaging in Chronic Coronary Artery Disease with Dr. Panithaya Chareonthaitawee
CardioNerds (Drs. Dr. Natalie Marrero, Dr. Ritika Tuli, and Dr. Rafael Toro Manotas) discuss multimodality imaging for risk stratification, evaluation, and management of chronic coronary artery disease with Dr. Panithaya Chareonthaitawee. Audio editing by CardioNerds intern Iman Razeghian. This episode was produced as part of the CardioNerds Academy curriculum by House Taussig under the guidance of House Chief, Dr. Natalie Marrero and Academy Program Director, Dr. Gurleen Kaur. A matching review article will be published in US Cardiology Review, the official journal of CardioNerds. This discussion was planned in collaboration with the Mayo Clinic Cardiovascular Board Review Course. In this episode, we discuss the pathophysiology and risk stratification of chronic coronary artery disease (CAD), as well as the current landscape of non-invasive evaluation of this condition. CAD remains a leading cause of morbidity and mortality despite advances in pharmacological and non-pharmacological strategies for the prevention and treatment of atherosclerotic disease. The concept of chronic CAD has shifted from the traditional model of stable, obstructive, flow-limiting disease, toward the current understanding of a dynamic process that extends beyond obstructive epicardial lesions to include non-obstructive plaque, diffuse atherosclerosis, and microvascular disease. Similarly, the imaging modalities used to evaluate CAD have evolved, and clinicians now have an extensive menu of options, each with distinct advantages and limitations, that must be selected carefully to maximize diagnostic accuracy and optimize treatment guidance, while also considering resource availability, local expertise, and high-value care. By the end of the episode, listeners will understand the pathophysiology of chronic CAD, risk-stratify patients with suspected CAD, recognize the advantages and pitfalls of each non-invasive diagnostic modality, and select the most appropriate diagnostic tool for a given clinical scenario. Enjoy this Circulation 2022 Paths to Discovery article to learn about the CardioNerds story, mission, and values. <p class="wp-bloc
- Aug 13, 202618 min
462. Tricuspid Regurgitation with Dr. Sunil Mankad
CardioNerds (Dr. Apoorva Gangavelli, Dr. Cory Sejo, and Dr. Joseph Kassab), discuss tricuspid regurgitation evaluation and management with Dr. Sunil Mankad. This episode was produced as part of the CardioNerds Academy curriculum by House Einthoven under the guidance of House Chief, Dr. Apoorva Gangavelli and Academy Program Director, Dr. Gurleen Kaur. A matching review article will be published in US Cardiology Review, the official journal of CardioNerds. This discussion was planned in collaboration with the Mayo Clinic Cardiovascular Board Review Course.  Audio editing by CardioNerds intern Emma Winakur. Enjoy this Circulation 2022 Paths to Discovery article to learn about the CardioNerds story, mission, and values. CardioNerds Episode PageCardioNerds AcademyCardionerds Healy Honor Roll CardioNerds Journal ClubSubscribe to The Heartbeat Newsletter!Check out CardioNerds SWAG!Become a CardioNerds Patron! Key Points: Tricuspid regurgitation is common and associated with increased mortality at every stage, regardless of etiology. Outcomes are worse with worsening severity, so accurate grading is critical. Etiology is critical to guide treatment decisions. Etiology includes primary vs secondary (atrial or ventricular) vs CIED-related TR. 3D echocardiography can be very helpful in determining TR etiology, especially in CIED-related TR. Diuresis with the goal of euvolemia is step one. Additionally, underlying contributory conditions (eg. pulmonary HTN, HFrEF, atrial fibrillation) should be addressed, if appropriate, and then TR severity reassessed. The choice between T-TEER and TTVR hinges on anatomy, RV function, pulmonary hypertension, and the ability to tolerate anticoagulation. T-TEER is generally first line in atrial functional TR with appropriate anatomy, in patients with poor RV function who cannot tolerate a sudden increase in RV afterload, or in patients who cannot tolerate the necessary anticoagulation with TTVR. TTVR is preferred with wide coaptation gaps and CIED-related TR. This is a team sport. Multidisciplinary discus
- Aug 11, 202626 min
461. Pre-Pregnancy Risk Stratification and Counseling with Dr. Katy Young
CardioNerds (Dr. Apoorva Gangavelli, Dr. Rebecca Garber, and Dr. Tina Reddy), discuss pre-pregnancy risk stratification and counseling with Dr. Katy Young across a range of risks.  This episode was produced as part of the CardioNerds Academy curriculum by House Einthoven under the guidance of House Chief, Dr. Apoorva Gangavelli and Academy Program Director, Dr. Gurleen Kaur. A matching review article will be published in US Cardiology Review, the official journal of CardioNerds. This discussion was planned in collaboration with the Mayo Clinic Cardiovascular Board Review Course. Audio editing by CardioNerds intern, Dr. Patrick Pekyi-Boateng. Enjoy this Circulation 2022 Paths to Discovery article to learn about the CardioNerds story, mission, and values. CardioNerds Episode PageCardioNerds AcademyCardionerds Healy Honor Roll CardioNerds Journal ClubSubscribe to The Heartbeat Newsletter!Check out CardioNerds SWAG!Become a CardioNerds Patron! Notes: Why is pregnancy considered a “physiologic stress test,” and why does risk extend beyond delivery? Blood volume, heart rate, and cardiac output rise while systemic vascular resistance falls, peaking in the late second/early third trimester; underlying (even undiagnosed) heart disease can be unmasked or worsened. Postpartum (“fourth trimester”) is a high-risk period, not a safe zone ̵
- Jul 29, 202622 min
460. Approach to HFpEF and the Metabolic Syndrome with Dr. John Ostrominski
CardioNerds Dr. Rohit Nathani, Dr. Atefeh Ghorbanzadeh, and Dr. Mariam Riad, discuss Obesity-related Heart Failure with Preserved Ejection Fraction (HFpEF) with Dr. John Ostrominski. This episode was produced as part of the CardioNerds Academy curriculum by House Jones under the guidance of House Chief, Dr. Mariam Riad and Academy Program Director, Dr. Gurleen Kaur. A matching review article will be published in US Cardiology Review, the official journal of CardioNerds. This episode highlights the diverse clinical phenotypes and complex, multifaceted pathophysiology of HFpEF. We take a deep dive into the therapeutic advances that represent paradigm shift in metabolic modulation aimed at improving outcomes in patients with HFpEF and metabolic syndrome. Audio editing by CardioNerds intern Pacey Wetstein. Enjoy this Circulation Paths to Discovery article to learn more about the CardioNerds mission and journey. US Cardiology Review is now the official journal of CardioNerds! Submit your manuscripts here. CardioNerds Heart Success Series PageCardioNerds Episode PageCardioNerds AcademyCardionerds Healy Honor Roll CardioNerds Journal ClubSubscribe to The Heartbeat Newsletter!Check out CardioNerds SWAG!Become a CardioNerds Patron! Pearls HFpEF is a constellation of symptoms often with different underlying pathophenotypes; cardiometabolic type is
- Jul 23, 202626 min
459. The Continuum of Prevention and Heart Failure with Dr. Anu Lala and Dr. Martha Gulati
CardioNerds (Drs. Apoorva Gangavelli, Jenna Skowronski, and Hannah Every) discuss the continuum of prevention and heart failure with Drs. Anu Lala and Martha Gulati. Grounded in a clinical case of a 55-year-old woman with uncontrolled hypertension, type 2 diabetes, and obesity who is on the trajectory toward heart failure, this episode unpacks a paradigm-shifting framework from a joint HFSA/ASPC Scientific Statement. The discussion explores how prevention should not be siloed from heart failure management but rather integrated across a patient’s lifespan—from primary prevention in at-risk individuals, to secondary prevention in those with established heart failure, to tertiary prevention in patients with advanced therapies such as LVADs and heart transplantation. The experts highlight the importance of aggressive risk factor management, biomarker-guided screening, the AHA’s Life’s Essential 8, and the need for multidisciplinary collaboration and systems-level change to shift heart failure care from reactive to proactive. Audio editing for this episode was performed by CardioNerds Intern, Dr. Julia Marques Fernandes. Enjoy this Circulation 2022 Paths to Discovery article to learn about the CardioNerds story, mission, and values. US Cardiology Review is now the official journal of CardioNerds! Submit your manuscript here. CardioNerds Prevention PageCardioNerds Episode PageCardioNerds AcademyCardionerds Healy Honor Roll CardioNerds Journal ClubSubscribe to The Heartbeat Newsletter!Check out CardioNerds SWAG!Become a CardioNerds Patron! <hr class="wp-block
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