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相关概念视频

Assessment of apical radial pulse01:25

Assessment of apical radial pulse

704
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.
Pre-Procedural Preparation
704
Assessment of apical pulse01:17

Assessment of apical pulse

787
Assessing the Apical Pulse
Assessing the apical pulse is a critical nursing procedure, particularly indicated for:
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Pulse Assessment Sites01:11

Pulse Assessment Sites

872
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...
872
Assessment of radial pulse01:11

Assessment of radial pulse

772
Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
772
Electrophysiology of Normal Cardiac Rhythm01:19

Electrophysiology of Normal Cardiac Rhythm

1.9K
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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相关实验视频

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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[左捆分支地区步行]

Alice David1, Amar Taha2, Andreas Martinsson3

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

Lakartidningen
|March 26, 2025
PubMed
概括
此摘要是机器生成的。

左捆支部区域节奏 (LBBAP) 为传统的右心室节奏提供了一个更生理的替代方案,可能降低节奏诱导心肌病的风险. LBBAP促进同步心室激活,与RV节奏不同,RV节奏可能导致异步收缩.

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相关实验视频

Last Updated: May 20, 2025

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科学领域:

  • 心脏病学 心脏病学
  • 电子生理学 电子生理学
  • 医疗器械 医疗器械

背景情况:

  • 节奏诱导心肌病变 (PIC) 是致病率和死亡率的重要原因,通常与右心室 (RV) 节奏有关.
  • RV节奏可以导致电活化延迟和异步心室收缩,增加PIC风险.

研究的目的:

  • 评估左捆分支区域节奏 (LBBAP) 作为RV节奏的潜在更安全的替代方案,以防止PIC.
  • 突出LBBAP在实现同步心室激活方面的生理益处.

主要方法:

  • LBBAP涉及在隔膜深处植入一个,以捕获左捆分支,从而使左心室生理激活.
  • 在LBBAP和RV节奏之间比较心室激活时间和收缩同步.

主要成果:

  • 与RV节奏相比,LBBAP显示了较短的心室激活时间和减少的异步收缩.
  • LBBAP的长期电气参数与RV电线的电气参数相似.

结论:

  • LBBAP提供了一种有前途的心脏节拍方法,可能降低节拍诱导心肌病的风险.
  • 进一步的随机试验正在进行中,以比较LBBAP与RV和双心室节奏.