Dr. Smith's ECG Blog

SEPTEMBER 14, 2014

He presented with chest pain, not relieved by nitro, pain reproducible on exam and centered around the pacemaker insertion site. LV Ejection Fraction at the time of this hospitalization was 10%. During both presentations, the patient was fluid overloaded, and had decompensated heart failure with a very low ejection fraction.

Chest Pain 52

Chest Pain Pacemaker Cardiomyopathy STEMI 52

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. 6.60) were associated with increased hazard of HF-hospitalizations, and RVP (2.52, 95% CI: 1.19–5.35)

Bradycardia 40

Bradycardia Physiology Pacemaker Heart Failure 40

Ken Grauer, MD

SEPTEMBER 15, 2024

For full discussion of the case — CLICK HERE — ECG Rhythm Overview: A 12-year-old boy was admitted to our hospital with severe myocardial dysfunction and chaotic rhythm with tachy- and bradycardic arrhythmias. ECG #2: Figure-2: ECG #2 is from the 4th hospital day. In the meantime, a pacemaker may be needed. =

Arrhythmia 78

Arrhythmia Bradycardia Heart Failure Pacemaker 78

Dr. Smith's ECG Blog

JANUARY 9, 2024

She had a single chamber ICD/Pacemaker implanted several years prior due to ventricular tachycardia. Seeing as the patient has a single chamber ICD/pacemaker, pacing the ventricle will also lead to AV dyssynchrony that will compromise ventricular filling, further impairing hemodynamics. small squares in width (260ms).

Tachycardia 118

Tachycardia Electrophysiology Atrial Flutter Ischemia 118

Heart BMJ

DECEMBER 20, 2023

Methods From January 2003 to June 2022, consecutive patients with liver metastases of midgut NETs and severe CHD (severe valve disease with symptoms and/or right ventricular enlargement) were included at Beaujon and Bichat hospitals. Epicardial pacemakers were systematically implanted in operated patients and 25% were permanently paced.

Heart Disease 40

Heart Disease Tricuspid Outcomes Heart Failure 40

Vector Remote

APRIL 14, 2023

The Beginning: The Need for Cardiac Remote Patient Monitoring The first implantable pacemaker, was developed in the late 1950s, but the first clinically successful pacemaker was implanted into a 77-year-old at a Veterans Affairs hospital in New York in 1960.

Pacemaker 52

Pacemaker Technology COVID-19 Arrhythmia 52

Dr. Smith's ECG Blog

JANUARY 1, 2024

His medical history includes hypertension, a decade-long battle with diabetes, ischemic heart disease, a coronary bypass graft surgery ten years ago, a diagnosis of congestive heart failure for the last five years, and a prior ICD implantation five years ago. An initial electrocardiogram (ECG) is provided below.

Tachycardia 111

Tachycardia Blog Ischemia Heart Failure 111

Stroke: Vascular and Interventional Neurology

NOVEMBER 9, 2023

He had previously undergone non‐contrasted head computed tomography (NCHCT) (magnetic resonance imaging (MRI) was unable to be performed secondary to pacemaker), which did not reveal strokes. Episodes always occurred after activity and only upon sitting. Episodes always occurred after activity and only upon sitting.

Stenosis 40

Stenosis Peripheral Arterial Disease Pacemaker Atherosclerosis 40

Dr. Smith's ECG Blog

JANUARY 22, 2020

She had a permanent pacemaker implanted. After pacer AND conversion to sinus rhythm: Computer diagnosis: IMPRESSION ELECTRONIC VENTRICULAR PACEMAKER ABNORMAL RHYTHM ECG What is missing from this interpretation? Given the heart failure and markedly abnormal ECGs I would expect cardiac cath at some point to have been performed.

Pulmonary 52

Pulmonary AFIB Atrial Fibrillation Pacemaker 52

Dr. Sanjay Gupta

MAY 23, 2022

Today’s vlog is on the subject of heart failure and in particular on a special type of pacemaker which can make a significant improvement to the quality of life and length of life in patients with heart failure. What is heart failure? You can download this script as a Hindi translation here.

Heart Failure 40

Heart Failure Pacemaker Quality of Life ACE Inhibitor 40

JAMA Cardiology

OCTOBER 1, 2024

This randomized clinical trial assesses whether cardioverter-defibrillator implantation is more effective than amiodarone therapy for the primary prevention of all-cause mortality and secondary prevention of sudden cardiac death, hospitalization for heart failure, and use of a pacemaker among patients with chronic Chagas cardiomyopathy.

Defibrillator 76

Defibrillator Cardiomyopathy Sudden Cardiac Death Pacemaker 76

European Journal of Heart Failure

OCTOBER 22, 2024

Prognostic impact of visit-to-visit changes in heart rate (HR) among patients with heart failure (HF) in the PARADIGM-HF and PARAGON-HF trials. The prognostic implications of HR were consistent across the range of LVEF and observed regardless of -blocker use or presence of a permanent pacemaker.

Heart Failure 40

Heart Failure Atrial Fibrillation Pacemaker Outpatient 40

HeartRhythm

APRIL 30, 2024

Introduction: Leadless pacemakers (LP) are increasingly utilized in pts with bradycardia and may be associated with better outcomes compared to right ventricular pacing (RVP). Conduction system pacing (CSP) with HBP or LBBAP have been associated with reduction in death or heart failure hospitalization (HFH).

Pacemaker 40

Pacemaker Bradycardia Outcomes Heart Failure 40

Journal of Cardiovascular Electrophysiology

OCTOBER 16, 2024

All patients had a reduced LVEF of 36%–50% and underwent pacemaker implantation. Clinical outcomes, including death from any cause, fatal ventricular arrhythmias, hospitalization for heart failure, and echocardiographic improvements after 1 year, were assessed. No fatal ventricular arrhythmias occurred.

Arrhythmia 61

Arrhythmia Heart Failure Cardiomyopathy Pacemaker 61

Open Heart

JULY 28, 2023

Introduction The incidence of arrhythmia in heart failure with non-reduced ejection fraction (HFnon-rEF) in patients who have a history of hospitalisation is unclear.

Atrial Fibrillation 40

Atrial Fibrillation Arrhythmia Heart Failure Tachycardia 40

Journal of Cardiovascular Electrophysiology

MARCH 27, 2025

ABSTRACT Backgrounds and Aims Left bundle branch area pacing (LBBAP) has been shown to reduce the risk of pacing-facilitated heart failure (HF) compared to right ventricular pacing (RVP), but limited data exists comparing LBBAP with stylet-driven leads (SDL) and conventional RVP.

Outcomes 40

Outcomes Cardiomyopathy Pacemaker Heart Failure 40

Circulation

NOVEMBER 10, 2023

Background:Left bundle branch area pacing (LBBAP) may be associated with greater improvement in left ventricular ejection fraction and reduction in death or heart failure hospitalization when compared with biventricular pacing (BVP) in patients requiring cardiac resynchronization therapy (CRT). Circulation, Ahead of Print.

Atrial Fibrillation 40

Atrial Fibrillation Pacemaker Physiology Heart Failure 40

EMS 12-Lead

JUNE 1, 2022

Hospital transport was unremarkable. The patient care narrative states no further changes in heart rate with persistent LBBB morphology. He received a permanent pacemaker during the subsequent inpatient stay. Influence of left bundle branch block on long-term mortality in a population with heart failure.

Heart Failure 52

Heart Failure Myocardial Infarction Bradycardia Chest Pain 52

Dr. Smith's ECG Blog

APRIL 8, 2015

History of Cardiovascular disease (all studies): Especially any history of heart failure or structural cardiac disease, including valvular 4. Family history of sudden death at age less than 40 — Negative predictors : —pacemaker, pre- or near- syncope only Workup (Smith opinion from literature) Always evaluate with: 1.

Arrhythmia 52

Arrhythmia Outcomes Chest Pain Risk Factors 52

Frontiers in Cardiovascular Medicine

NOVEMBER 19, 2024

Early detection is essential to initiate treatments that reduce the risk of heart failure (HF) and arrhythmic death. One-to-one propensity score matching (PSM) was performed.ResultsThe CS+ cohort comprised 1,146 hospitalizations and the CS− cohort 3,250,696 hospitalizations.

Hospital 59

Hospital Cardiac Arrest Cardiomyopathy Arrhythmia 59