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Related Concept Videos

Pulse rhythm01:30

Pulse rhythm

754
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
754
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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Updated: May 31, 2025

Translational Rabbit Model of Chronic Cardiac Pacing
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Leadless Pacing: Current Status and Ongoing Developments.

Richard G Trohman1

  • 1Section of Electrophysiology, Division of Cardiology, Department of Internal Medicine, Rush University Medical Center, 1653 W. Congress, Chicago, IL 60612, USA.

Micromachines
|January 25, 2025
PubMed
Summary
This summary is machine-generated.

Leadless pacemakers offer an alternative to transvenous leads, reducing risks associated with traditional cardiac pacing systems. This review explores their benefits, limitations, and future potential for managing bradyarrhythmias and heart failure.

Keywords:
lead limitationsleadless advantages/disadvantagesleadless pacing

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Area of Science:

  • Cardiology
  • Biomedical Engineering

Background:

  • Transvenous leads in cardiac pacing are prone to complications like dislodgement and fracture.
  • Traditional pacing systems, while effective for bradyarrhythmias, carry inherent risks including morbidity and mortality.

Purpose of the Study:

  • To review the risks, benefits, and alternatives of leadless cardiac pacing.
  • To clarify the evolving role of leadless pacing in managing bradyarrhythmias and heart failure.

Main Methods:

  • A narrative review of peer-reviewed literature, including clinical trials and meta-analyses.
  • Searched MEDLINE, Google, and Google Scholar for English-language reports from 1932-2024.
  • Utilized keywords such as Micra™, Nanostim™, AVEIR™, leadless pacemaker, CRT, and biventricular pacing.

Main Results:

  • Leadless pacing presents a viable alternative to transvenous systems.
  • Discusses advantages and limitations of current leadless pacing technologies.
  • Highlights ongoing investigations into advanced leadless pacing options.

Conclusions:

  • Leadless pacemakers are emerging as a safer alternative to transvenous leads.
  • Further research and development are crucial for optimizing leadless pacing therapies.
  • Leadless pacing holds significant promise for future bradyarrhythmia and heart failure management.