在评估左心房功能障碍时,心电图和心声图参数的相关性
Aleksandra Zivanic1, Milan Gajic1, Nikola Milovanovic1
1Clinical Hospital Centre Zemun, Department of Cardiology, Belgrade, Serbia.
Journal of electrocardiology
|May 9, 2025
概括
形态-电压-P波 (MVP) 评分区分心房动风险,左心房附属体排空速度 (LAAev) 在MVP评分较低的组中较低. 建议采用多参数方法进行全面的AF风险评估.
科学领域:
- 心脏病学 心脏病学
- 生物医学工程 生物医学工程
背景情况:
- 电心电图 (ECG) 指数,如形态-电压-P波 (MVP) 评分和心声学参数 (LAVi,LASr,LAAev) 与心房动 (AF) 风险有关.
- 这些心电图和心电图标记之间的确切关系需要进一步阐明.
研究的目的:
- 调查ECG MVP得分和左心房 (LA) 大小和功能的心声测量之间的相关性.
- 评估这些参数在区分AF风险类别中的有用性.
主要方法:
- 对60名鼻节律患者 (8名患有性肌痛) 的前性研究.
- 同时进行12导电心电图和胸前心电图,在经食管心电图后30分钟内进行.
- 分析了MVP得分,LAVi,LASr,LAAev,以及心肌E/e'比率.
主要成果:
- 发现了 mitra E/e' 比率和 LAVi (r=0.30),Laser (r=-0.42) 和 LAAev (r=-0.29) 之间的显著相关性.
- 与中高分数患者相比,MVP分数较低的患者的LAAev显著较低 (p=0.027).
- 与没有AF的患者相比,患有 Paroxysmal AF的患者显示出明显较低的LASr和较高的 mitra E/e'比率.
结论:
- LAVi,LASr和LAAev与左心室 (LV) 填充压力相关.
- 只有LAAev有效地根据MVP得分区分风险类别.
- 对LA/LAA功能和LV填充压力的多参数方法可以提供更全面的AF风险评估.
相关概念视频
Electrocardiogram Fundamentals
442
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...
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...
442
Electrocardiogram
1.6K
An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
1.6K
Imaging Studies for Cardiovascular System I:Echocardiography
267
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
267
Correlation between ECG and Cardiac Cycle
2.8K
The electrical signals recorded on an electrocardiogram (ECG) occur before the mechanical processes of contraction and relaxation during the cardiac cycle.
A cardiac action potential originates in the SA node and spreads throughout the atria and the AV node in approximately 0.03 seconds. This results in the P wave in an ECG and triggers atrial contraction. The action potential is then briefly slowed at the AV node, allowing the atria to contract and fill the ventricles with blood before...
A cardiac action potential originates in the SA node and spreads throughout the atria and the AV node in approximately 0.03 seconds. This results in the P wave in an ECG and triggers atrial contraction. The action potential is then briefly slowed at the AV node, allowing the atria to contract and fill the ventricles with blood before...
2.8K
Imaging Studies for Cardiovascular System II:Types of Echocardiography
203
Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
203


