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Related Concept Videos

Pulse rhythm01:30

Pulse rhythm

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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...
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Electrophysiology of Normal Cardiac Rhythm01:19

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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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Conduction System of the Heart01:19

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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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Updated: Jun 30, 2025

Translational Rabbit Model of Chronic Cardiac Pacing
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Leadless pacemakers: Where are we?

Nicholas Beccarino1, Moussa Saleh1, Laurence M Epstein1

  • 1Department of Cardiology/Cardiac Surgery, Northwell Health. Zucker School of Medicine at Hofstra/Northwell, North Shore University Hospital, 300 Community Drive, Manhasset 11030, NY, United States.

Trends in Cardiovascular Medicine
|March 24, 2024
PubMed
Summary
This summary is machine-generated.

Leadless pacemakers offer a safer alternative to traditional devices for bradycardia management, with increasing options available. This review covers the evolution and future of leadless pacing technology.

Keywords:
AveirCIED InfectionLeadless CRTLeadless PacemakerLeadless conduction system pacingMicra

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Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Medical Devices

Background:

  • Traditional transvenous pacemakers are standard for bradyarrhythmia but have a notable complication rate.
  • Leadless pacemakers have gained popularity due to advantages like leadless design, infection resistance, and simpler implantation.
  • Despite limitations in versatility compared to transvenous systems, leadless technology is rapidly advancing.

Purpose of the Study:

  • To review the historical development of pacemakers.
  • To discuss the current state of leadless pacemaker technology and its benefits.
  • To explore emerging technologies and future strategies in leadless pacing.

Main Methods:

  • Literature review of pacemaker technology.
  • Analysis of clinical outcomes and complication rates.
  • Discussion of technological advancements and future trends.

Main Results:

  • Leadless pacemakers demonstrate a growing adoption rate, driven by reduced complications.
  • Current leadless devices offer specific advantages over traditional pacemakers.
  • Advancements are expanding the therapeutic capabilities of leadless pacing.

Conclusions:

  • Leadless pacemakers represent a significant advancement in cardiac rhythm management.
  • Ongoing innovation promises to enhance the versatility and application of leadless pacing.
  • The future of bradyarrhythmia management is increasingly focused on leadless solutions.