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Related Concept Videos

Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

969
Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

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Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
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Electrophysiology of Normal Cardiac Rhythm01:19

Electrophysiology of Normal Cardiac Rhythm

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The normal cardiac rhythm is a synchronized electrical activity that facilitates the regular and coordinated contraction of the heart muscle. This process is essential for efficient blood circulation throughout the body. The fundamental elements involved in establishing and maintaining this rhythm include the unique electrical properties of cardiac muscle cells, the sinoatrial (SA) node's pacemaker function, the specialized conducting system, and the ionic mechanisms underlying each phase...
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Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

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Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
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Conduction System of the Heart01:19

Conduction System of the Heart

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Autorhythmicity is a term that refers to the heart's inherent ability to generate electrical signals and instigate muscle contractions. This self-regulating conduction system within the heart consists of two key components: the pacemaker cells and specialized conducting cells.
The pacemaker cells are located in two primary nodes: the sinoatrial (SA) node and the atrioventricular (AV) node. The SA node pacemaker cells can autonomously depolarize, triggering an action potential that leads to the...
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Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

520
Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
520

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Interactions of blood biomolecules with early rhythm control in atrial fibrillation patients: Exploratory analysis of the EAST-AFNET 4 Biomolecule Study.

Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology·2026
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Analgosedation for catheter ablation in deep sedation: comparison between cryoballoon and pulsed field ablation.

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[Perioperative complications during transvenous pacemaker and defibrillator implantation].

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Association Between Contact Force and Acute Lesion Effectiveness in Focal Pulsed Field Ablation.

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In-hospital mortality in a large seven-year single-center retrospective cohort of patients admitted for ventricular arrhythmia.

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Related Experiment Video

Updated: Jan 6, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

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[Leadless cardiac pacemaker : Overview, tips, and tricks].

Arian Sultan1, David Duncker2, Henning Jansen3

  • 1St. Georg Herzzentrum Hamburg, Asklepios Klinik Hamburg, Lohmühlenstraße 5, 20099, Hamburg, Deutschland. a.sultan@asklepios.com.

Herzschrittmachertherapie & Elektrophysiologie
|October 30, 2025
PubMed
Summary
This summary is machine-generated.

Leadless pacemakers offer a safer alternative to traditional systems by eliminating leads, reducing complications. Advances enable dual-chamber pacing and expand use cases, though challenges in management and guidelines persist.

Keywords:
Battery life leadless pacingCapsule pacemakerImplantation leadless pacingModern pacemaker therapyTips and tricks leadless pacing

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Last Updated: Jan 6, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
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Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

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Translational Rabbit Model of Chronic Cardiac Pacing
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Area of Science:

  • Cardiology
  • Medical Devices
  • Biomedical Engineering

Background:

  • Conventional transvenous pacemakers carry risks like infection and venous access issues.
  • Leadless pacemakers (LP) present a validated alternative, significantly reducing complications by eliminating leads and device pockets.

Purpose of the Study:

  • To review the current state and future directions of leadless pacemaker technology.
  • To highlight the clinical benefits and challenges associated with leadless pacing systems.

Main Methods:

  • Review of current leadless pacemaker systems, including Micra™ and Aveir™.
  • Analysis of clinical benefits, technological advancements, and future research directions.

Main Results:

  • Leadless pacemakers offer reduced complications and are ideal for high-infection-risk patients or those with venous access limitations.
  • Current technologies enable dual-chamber pacing with stable performance and long battery life, broadening indications.
  • Challenges include end-of-life management and integration into clinical guidelines.

Conclusions:

  • Leadless pacemakers are a significant advancement in cardiac pacing, offering improved safety and efficacy.
  • Future developments may integrate LPs with other devices like subcutaneous implantable cardioverter-defibrillators (ICDs) or energy-harvesting systems.