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Related Concept Videos

Assessment of apical radial pulse01:25

Assessment of apical radial pulse

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Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
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Assessment of apical pulse01:17

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Pulse Assessment Sites01:11

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Pulse assessment sites are crucial in evaluating a patient's cardiovascular health. By assessing the pulsations of arteries at specific anatomical locations, healthcare professionals can gather valuable information about blood flow, heart rate, and peripheral circulation. Understanding these pulse assessment sites is essential for conducting comprehensive cardiovascular evaluations and monitoring patients' overall health. These sites are strategically chosen due to the accessibility and...
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Assessment of radial pulse01:11

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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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Related Experiment Video

Updated: May 20, 2025

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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[»Left bundle branch area pacing«].

Alice David1, Amar Taha2, Andreas Martinsson3

  • 1doktorand, överläkare, VO kardiologi, Sahlgrenska universitetssjukhuset, Göteborg.

Lakartidningen
|March 26, 2025
PubMed
Summary
This summary is machine-generated.

Left bundle branch area pacing (LBBAP) offers a more physiological alternative to traditional right ventricular pacing, potentially reducing the risk of pacing-induced cardiomyopathy. LBBAP promotes synchronous ventricular activation, unlike RV pacing which can cause dyssynchronous contraction.

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Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Devices

Background:

  • Pacing-induced cardiomyopathy (PIC) is a significant cause of morbidity and mortality, often linked to right ventricular (RV) pacing.
  • RV pacing can lead to delayed electrical activation and dyssynchronous ventricular contraction, increasing PIC risk.

Purpose of the Study:

  • To evaluate Left Bundle Branch Area Pacing (LBBAP) as a potentially safer alternative to RV pacing for preventing PIC.
  • To highlight the physiological benefits of LBBAP in achieving synchronous ventricular activation.

Main Methods:

  • LBBAP involves implanting a lead deep in the septum to capture the left bundle branch, enabling physiological left ventricular activation.
  • Comparison of ventricular activation times and contraction synchrony between LBBAP and RV pacing.

Main Results:

  • LBBAP demonstrates shorter ventricular activation times and reduced dyssynchronous contraction compared to RV pacing.
  • Long-term electrical parameters of LBBAP are comparable to those of RV leads.

Conclusions:

  • LBBAP offers a promising approach to cardiac pacing with a potentially lower risk of pacing-induced cardiomyopathy.
  • Further randomized trials are ongoing to compare LBBAP with RV and biventricular pacing.