电心电图T波异常和心跳患者的早发性心室收缩负担:印度东北部的一项区域研究
Rajeev Bharadwaj1, Suman Kalita1, Rudrakshya Sahu2
1Department of Cardiology, All India Institute of Medical Sciences, Guwahati, Guwahati, IND.
早期心室收缩 (PVCs) 可以使用心电图复极化标志物,如Tp-Te间隔和Tp-Te/QT比率来评估. 这些可访问的标记与PVC负担相关,有助于资源有限的环境中风险分层.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 医学诊断 医学诊断 医学诊断
背景情况:
- 早发性心室收缩 (PVC) 在心脏病学中很常见,但高负担检测依赖于24小时的霍尔特监测,在资源有限的环境中通常无法使用.
- 标准心电图上的T波异常,包括Tp-Te间隔,Tp-Te/QT比率和QTc分散,可以作为PVC负担的可访问替代品.
研究的目的:
- 评估表面ECG衍生的心室再极化标记物与PVC负担之间的相关性.
- 确定最能预测心患者较高PVC负担的心电图参数.
主要方法:
- 87名患有心的成年患者接受了12心电图和24小时霍尔特监测.
- 根据PVC负担分组患者 (<1%与>1%).
- 分析的心电图参数包括Tp-Te间隔,Tp-Te/QT比,QTc分散,T波轴和fQRS-T角度.
主要成果:
- Tp-Te间隔 (r=0.5),Tp-Te/QT比率 (r=0.4) 和QTc分散 (r=0.3) 与PVC负担有显著的正相关性.
- 这些标志物在患有>1%PVC负担 (P<0.05) 的患者中显著更高.
- 没有发现与T波轴或fQRS-T角度有显著的相关性.
结论:
- Tp-Te间隔,Tp-Te/QT比率和QTc分散与心患者的PVC负担有很强的相关性.
- 这些非侵入性心电图标记可以帮助识别需要进一步评估高PVC负载的患者,特别是当Holter监测有限时.
更多相关视频
08:28Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
Published on: April 5, 2011
05:03Patient Directed Recording of a Bipolar Three-Lead Electrocardiogram using a Smartwatch with ECG Function
Published on: December 11, 2019
相关概念视频
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias
Dysrhythmias II: Classification of Tachyarrhythmias
Dysrhythmias III: Characteristics of Dysrhythmias
Electrocardiogram
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
Disturbances in Heart Rhythm
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
ECG Interpretation of Arrhythmias I: Sinus Arrhythmias
Types of Arrhythmias
Sinus Node Arrhythmias
Sinus Bradycardia: Originating from the sinoatrial (SA) node, sinus bradycardia involves slower impulses, resulting in a heart rate of less than 60 beats per minute (bpm). Causes include sleep, vagal stimulation, beta-blockers, hypothyroidism,...
