Dr. Smith's ECG Blog

FEBRUARY 18, 2024

The October 21, 2022 post — for " artifactual VT". Figure-1: I've labeled the artifact in today's initial ECG. Finding the "Culprit" Extremity: As per Dr. Frick — the " culprit " extremity in today's case is the LA electrode. The March 17, 2023 post — for PTA. The January 17, 2023 post — for PTA. The November 10, 2020 post — for PTA.

Pacemaker 109

Pacemaker Blog Atrial Fibrillation Electrophysiology 109

Frontiers in Cardiovascular Medicine

FEBRUARY 17, 2025

Procedural data and electrophysiology (EP) laboratory times were systematically collected and analyzed. The primary endpoint was any AF or atrial tachycardia recurrence at 12 and 24 month follow up.Resultsthe study cohort was composed by 138 patients (mean age was 5911 years, 38% female) and successful PVI was achieved in 100% of cases.

Atrial Fibrillation 52

Atrial Fibrillation Ablation Laboratory Electrophysiology 52

CardiacWire

OCTOBER 22, 2024

Cardiology Pay Increases – For the fourth year in a row, average pay for hospital-integrated cardiologists increased (from $645k to $688k), while private practice cardiologists saw compensation recover after a dip in 2022 (from $588k to $616k ). Compensation for private APPs ($126k) also pulled ahead of integrated APPs ($122k).

Private Practice 59

Private Practice Electrophysiology Hospital Research 59

DAIC

JUNE 19, 2024

Other vendors developing AI algorithms for electrophysiology (EP) settings include Anumana and Netherlands-based start-up YourRhythmics, which is developing algorithms which could provide clinical decision support to electrophysiologists in place of intrusive intracardiac ECG recordings. How Has Funding Progressed?

AFIB 105

AFIB Reimbursement Research Atrial Fibrillation 105

Circulation: Arrhythmia and Electrophysiology

OCTOBER 25, 2023

Circulation: Arrhythmia and Electrophysiology, Volume 16, Issue 11 , Page e012191, November 1, 2023. METHODS:Retrospective cohort study of patients <21 years of age with HCM/preexcitation from 2000 to 2022. METHODS:Retrospective cohort study of patients <21 years of age with HCM/preexcitation from 2000 to 2022.

Cardiomyopathy 40

Cardiomyopathy Atrial Fibrillation Electrophysiology Ablation 40

Journal of Cardiovascular Electrophysiology

DECEMBER 17, 2024

Methods Following an interdepartmental education initiative at a high-volume extraction center, an EMR based notification algorithm generated alerts for all inpatients with a CIED who received intravenous antibiotics or had positive blood cultures between September 2022 and February 2024.

Inpatient 40

Inpatient Electrophysiology Education Outcomes 40

Circulation: Arrhythmia and Electrophysiology

MARCH 1, 2024

Circulation: Arrhythmia and Electrophysiology, Ahead of Print. The aim of this study is to define the diagnostic yield of a large gene panel with ACMG variant classification and to assess prognosis of SCN5A and non-SCN5A variants.METHODS:All patients with BrS, were prospectively enrolled in the UZB registry between 1992 and 2022.

Arrhythmia 45

Arrhythmia Electrophysiology Circulation 45

Journal of Cardiovascular Electrophysiology

FEBRUARY 15, 2024

Methods Patients undergoing CIED surgery for approved indications between June 2015 and June 2022 were identified. Conclusion A heart team approach incorporating the expertize of cardiac electrophysiology and plastic surgery is essential for providing optimal care for patients with breast implants and patients requesting esthetic appeal.

Defibrillator 40

Defibrillator Electrophysiology Outcomes Article 40

All About Cardiovascular System and Disorders

OCTOBER 26, 2023

This is mainly to account for the individual variation in anatomical location of right ventricular outflow tract, the main location of electrophysiological abnormalities in Brugada syndrome. Opinion is divided on the need for electrophysiology study. 2022 Mar;8(3):386-405. Indian Pacing Electrophysiol J. 2001 Oct 1;1(1):6-11.

Sudden Cardiac Death 52

Sudden Cardiac Death Atrial Fibrillation Electrophysiology Arrhythmia 52

Dr. S. Venkatesan MD

MARCH 19, 2024

Clinical and electrophysiologic findings in patients with paroxysmal slowing of the sinus rate and apparent Mobitz type II atrioventricular block. Pacing and Clinical Electrophysiology, 35(7), e210–e213. 2022 Jan 5;11(1):279. Final message AV blocks, even Mobitz type 2, can occur at normal times of heightened vagal tone.(

Arrhythmia 52

Arrhythmia Sudden Cardiac Death Electrophysiology Cardiomyopathy 52

DAIC

FEBRUARY 29, 2024

Session 104) - What Is Really New in Electrophysiology That Will Change My Practice? Bleeds, What Do the Guidelines Tell Us About Practical Management in A-fib? 24: Joint American College of Cardiology/Journal of the American College of Cardiology Late-Breaking Clinical Trials (Session 402) Saturday, April 6 9:30 – 10:30 a.m.

Aortic valve 103

Aortic valve Myocardial Infarction Aortic Blood Pressure 103

Journal of Cardiovascular Electrophysiology

DECEMBER 17, 2024

Methods We searched the FDA's Manufacturer and User Facility Device Experience (MAUDE) database for US reports of MACE and device problems that were filed from April 2022 to December 2023 for AVEIR VR, and from June 2022 to April 2024 for Micra VR.

Pacemaker 40

Pacemaker Cardiac Arrest Article 40

Journal of Cardiovascular Electrophysiology

OCTOBER 30, 2024

Abstract Introduction Currently, there are two approved single chamber leadless pacemakers (LP) in the United States (US), Micra VR™; approved since 2016 and AVEIR VR™; approved in 2022. A potential complication of LPs is dislodgement and/or embolization (D/E) during or after implant.

Embolism 40

Embolism Pacemaker 40

EMS 12-Lead

AUGUST 22, 2022

Jesse McLaren @ECGcases [link] [link] This case was kindly submitted by Dr. Paco Dardon (@PacoDardon), and it’s a privilege to present it as a formal review due to the many pathophysiological, and electrophysiological, phenomenon at play. Indian Pacing and Electrophysiology Journal, 6(3), 182-83. Saini, A., Raymond-Paquin, A.,

Tachycardia 52

Tachycardia Cardiomyopathy Electrophysiology ICU 52

Dr. Smith's ECG Blog

JANUARY 17, 2023

In the December 5, 2022 post of Dr. Smith's ECG Blog — We show 4 additional cases of this pulse-tap artifact. Finally, as I discuss in My Comment in the August 26, 2022 post ( which applies the electrophysiologic principles of Rowlands & Moore: J. This is no longer the case! What is the "Culprit" Extremity in ECG #1?

Chest Pain 52

Chest Pain Physiology Blog Electrophysiology 52

Journal of Cardiovascular Electrophysiology

MARCH 20, 2025

Methods Between January 2018 and November 2022, a total of 99 consecutive patients underwent S-ICD device replacement. This study aims to evaluate long-term shock efficacy, trends in shock impedance, and the effects of a replacement strategy at elective device replacement.

Defibrillator 40

Defibrillator Article 40

All About Cardiovascular System and Disorders

OCTOBER 25, 2023

2022 Nov 22;146(21):1561-1563. Epub 2022 Nov 21. Cleveland Clinic Journal of Medicine October 2022, 89 (10) 567-571. N Engl J Med. 2008 Jun 19;358(25):2667-77. doi: 10.1056/NEJMoa0708789. PMID: 18565859. Prystowsky EN. Rate Versus Rhythm Control for Atrial Fibrillation: Has the Debate Been Settled? Circulation. 122.060243.

Atrial Fibrillation 52

Atrial Fibrillation Heart Failure Ablation Cardiac Arrest 52

Dr. Smith's ECG Blog

NOVEMBER 13, 2022

There is STE in inferior leads now (The unfortunate thing about these leads is the conventional naming that labels them as inferior, which could not be more misleading in electrophysiological terms. 2022 Mar-Apr;71:44-46. Epub 2022 Jan 31. See bibliography). References Aslanger EK. J Electrocardiol. doi: 10.1016/j.jelectrocard.2022.01.006.

Chest Pain 52

Chest Pain Myocardial Infarction Blog Pericarditis 52

Dr. Smith's ECG Blog

JULY 22, 2023

She has not yet been seen by electrophysiology or had further genetic testing for Brugada syndrome. As for our patient, on discharge, her EKG had completed returned to her baseline morphology and she has been doing well in follow-up. B ) Brugada-2 ECG pattern ( the “Saddle-back” pattern ) — showing concave-up ST-segment elevation ≥0.5

Chest Pain 92

Chest Pain Heart Rhythm Sudden Cardiac Death Dysrhythmia 92

Journal of Cardiovascular Electrophysiology

JANUARY 20, 2025

Methods YouTube was searched on October 19, 2022, for PPM implantation and Pacemaker. Patients increasingly use the Internet for information on medical interventions. We aimed to assess the quality of videos discussing PPM implantation on YouTube for patient consumption.

Pacemaker 40

Pacemaker Article 40

Dr. Smith's ECG Blog

NOVEMBER 25, 2022

2 weeks Here is the final electrophysiology note: It is unclear what precipitated his motor vehicle collision. I've copied KEY points from My Comment in the August 6, 2022 post in Dr. Smith's ECG Blog — regarding the answer to this question. What are the ECG Findings of Cardiac Contusion?

Arrhythmia 52

Arrhythmia Blog Chest Pain Cardiac Arrest 52

Journal of Cardiovascular Electrophysiology

OCTOBER 30, 2024

Methods and Results A retrospective evaluation was performed on all patients undergoing pacemaker implantation between 2011 and 2022. Potential study patients were those with Medtronic 3830 superficial RVMS leads placed with septal specific guidance catheters, and any with RVA leads.

Cardiomyopathy 40

Cardiomyopathy Pacemaker Outcomes Article 40

Journal of Cardiovascular Electrophysiology

FEBRUARY 13, 2024

Methods Consecutive patients with bradycardia indicated for pacing from 2016 to 2022 were prospectively followed for the clinical endpoints of heart failure (HF)-hospitalizations and all-cause mortality at 2 years.

Bradycardia 40

Bradycardia Physiology Pacemaker Heart Failure 40

Journal of Cardiovascular Electrophysiology

JANUARY 28, 2024

Methods and Results Patients with symptomatic, drug-resistant paroxysmal AF for first ablation were prospectively enrolled from September 2020 to January 2022. We aimed to compare the efficacy and safety of CLOSE protocol and lower AI protocol in paroxysmal AF.

Atrial Fibrillation 40

Atrial Fibrillation Ablation Arrhythmia Pulmonary 40

Journal of Cardiovascular Electrophysiology

DECEMBER 7, 2023

Methods Single center retrospective cohort study of patients who received oral flecainide or propafenone for medical cardioversion of AF or IART from 2000 to 2022. The unit of analysis was each episode of AF/IART.

Congenital Heart Disease 40

Congenital Heart Disease Atrial Fibrillation Congenital Heart Disease 40

Journal of Cardiovascular Electrophysiology

DECEMBER 14, 2023

Methods We systematically searched Medline, Cochrane, Journals@Ovid, Scopus electronic databases for studies published up to December 28, 2022 and comparing AMVP and nonarrhythmic mitral valve prolapse (NAMVP) for what concerns history, electrocardiographic, echocardiographic and cardiac magnetic resonance features.

Bicuspid/Mitral 40

Bicuspid/Mitral Sudden Cardiac Death Arrhythmia Article 40

Journal of Cardiovascular Electrophysiology

NOVEMBER 17, 2023

Results Between December 2022 and February 2023, 20 patients (67 ± 10 years, 53% male) undergoing PFA (Farapulse, Boston Scientific) for atrial fibrillation (AF) were studied and compared with a previous cohort of 57 patients who underwent thermic PVI (CB: n  = 33; RF: n  = 24).

Atrial Fibrillation 40

Atrial Fibrillation Ablation Ultrasound Pulmonary 40

Journal of Cardiovascular Electrophysiology

NOVEMBER 6, 2024

Methods In a cohort of ATTRwt-CA patients from 2011 to 2022 without prior sustained VA, we ascertained the presence and characteristics of NSVT during clinically indicated ambulatory Holter monitoring. Patients were stratified based on the presence of NSVT at baseline.

Tachycardia 40

Tachycardia Heart Failure Arrhythmia Outcomes 40

Journal of Cardiovascular Electrophysiology

JANUARY 30, 2024

Methods 218 consecutive HCM patients with or without AF at the Lahey HCM center in 2022 completed PROMs at their most recent visit evaluating HF (Kansas City Cardiomyopathy Questionnaire [KCCQ]) and AF symptoms (AF Effect on QoL [AFEQT]). Therefore, we evaluated the impact of AF on QoL utilizing patient reported outcome measures (PROMs).

Quality of Life 40

Quality of Life Atrial Fibrillation Cardiomyopathy Heart Failure 40

Dr. Smith's ECG Blog

MAY 14, 2022

Outcome Electrophysiologic study showed an accessory pathway (WPW, antidromic AVRT) Why did adenosine not work? I've reproduced the summarizing Table from my discussion of this topic in the February 14, 2022 post in Dr. Smith's Blog in Figure-1. 6 mg often does not work, but especially in low flow states.

Tachycardia 52

Tachycardia Electrophysiology Blog Ablation 52

Journal of Cardiovascular Electrophysiology

JANUARY 4, 2024

Methods Consecutive patients ( n  = 103) undergoing initial VT ablation at a single center from 2017 to 2022 were evaluated. Patient groups were 1:1 propensity-matched for baseline characteristics. Single lesion characteristics for all 4707 lesions in the matched cohort ( n  = 74) were analyzed.

Ablation 40

Ablation Tachycardia Outcomes Heart Disease 40

Dr. Smith's ECG Blog

APRIL 24, 2022

Patient was referred to electrophysiologic testing due to suspicion of afib and WPW. During electrophysiologic testing AVRT was induced, which degenerated to afib with ortho and antidromic conduction. Here is her ECG the next day: ECG following day with more apparent pre-excitation. Echocardiography was normal.

AFIB 52

AFIB Tachycardia Atrial Fibrillation Blog 52

Society of Thoracic Surgeons - Research

APRIL 20, 2023

Institutional Coronary Artery Bypass Case Volumes and Outcomes European Journal of Heart Failure October 2023 Makoto Mori Robotic Mitral Valve Repair for Degenerative Mitral Regurgitation The Annals of Thoracic Surgery August 2023 Carlos Diaz-Castrillion Volume-Failure to Rescue Relationship in Acute Type A Aortic Dissections: An Analysis of The Society (..)

Research 52

Research Coronary Artery Bypass Graft Aortic valve Congenital 52

Society of Thoracic Surgeons - Research

APRIL 20, 2023

Institutional Coronary Artery Bypass Case Volumes and Outcomes European Journal of Heart Failure October 2023 Makoto Mori 1 Robotic Mitral Valve Repair for Degenerative Mitral Regurgitation The Annals of Thoracic Surgery August 2023 Carlos Diaz-Castrillion 2 Volume-Failure to Rescue Relationship in Acute Type A Aortic Dissections: An Analysis of The (..)

Research 52

Research Coronary Artery Bypass Graft Aortic valve Congenital 52

Cardiometabolic Health Congress

DECEMBER 7, 2023

Published on November 30, 2023, in the Journal of the American College of Cardiology, these new guidelines are based on a comprehensive literature review from May 2022 to November 2022, and provide important recommendations to clinicians caring for patients with or at risk of developing cardiovascular disease (CVD).

Atrial Fibrillation 111

Atrial Fibrillation Risk Factors Ablation Stroke 111

Circulation: Arrhythmia and Electrophysiology

DECEMBER 20, 2024

Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:Patients undergoing first-time atrial fibrillation (AF) ablation can benefit from targeting non-pulmonary vein (PV) triggers. Preprocedural identification of high-risk individuals can guide planning of ablation strategy.

Atrial Fibrillation 40

Atrial Fibrillation Ablation Electrophysiology Tachycardia 40

Journal of Cardiovascular Electrophysiology

FEBRUARY 13, 2024

Methods Between September 2001 and June 2022, all consecutive patients with diagnosis of BrS were enrolled in the present study. Aim In present study, we aim to evaluate presentation, long-term outcome, genetic findings, and therapeutic interventions in patients with BrS.

Electrocardiogram 40

Electrocardiogram Defibrillator Ischemia Heart Disease 40