Abstract：
:A graph consisting of small squares of equal size preprinted on a transparent plastic chart can be used for a quick and accurate calculation of the VCG loop area in each quadrant of the three conventional planes.
journal_name
J Electrocardioljournal_title
Journal of electrocardiologyauthors
Wartak Jdoi
10.1016/s0022-0736(79)80013-8subject
Has Abstractpub_date
1979-10-01 00:00:00pages
425-6issue
4eissn
0022-0736issn
1532-8430journal_volume
12pub_type
杂志文章abstract：:We reported a case of Wolff-Parkinson-White syndrome with atrial double potential in coronary sinus (CS) electrograms during paroxysmal supraventricular tachycardia and ventricular pacing. The first component was low in frequency, and its timing was the same as atrial potential recorded by ablation catheter above the ...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2007.02.002
更新日期：2007-09-01 00:00:00
abstract：:This study describes a method for improving the day-to-day and minute-to-minute repeatability of the deterministic computer-assisted diagnosis of left ventricular hypertrophy. Conventional upper limits of normal for many age-dependent electrocardiographic parameters have been replaced by continuous equations, thereby,...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：
更新日期：1993-01-01 00:00:00
abstract：PURPOSE:Recent research has established that a tall R-wave in V1 indicates lateral wall involvement in non-anterior wall myocardial infarction (MI). The objective of this study was to assess the value of the admission electrocardiogram (ECG) to predict R-waves and consequently lateral wall damage in the late phase of n...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2015.02.005
更新日期：2015-07-01 00:00:00
abstract：:The goal of the 2007 PhysioNet/Computers in Cardiology Challenge was to try to establish how well it is possible to characterize the location and extent of old myocardial infarcts using electrocardiographic evidence supplemented by anatomical imaging information. A brief overview of the challenge and how different cha...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2008.07.022
更新日期：2008-11-01 00:00:00
abstract：:The case of a patient with complete atrioventricular block with capability of rapid ventriculoatrial conduction with unusual behavior is presented. Potential mechanisms are discussed. ...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2012.03.005
更新日期：2012-07-01 00:00:00
abstract：BACKGROUND:We studied whether social media applications can serve as effective educational tools for teaching electrocardiogram (ECG) interpretation to medical residents. METHODS:39 emergency, family, and internal medicine residents participated in the 33-week "ECG of the Week" curriculum via Facebook and Twitter. ECG...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2017.04.010
更新日期：2017-01-01 00:00:00
abstract：:This study investigates a technique to estimate dispersion based on the root mean square (RMS) signal of multiple electrocardiographic leads. Activation and recovery times were measured from 64 sites on the epicardium of canine hearts using acute in situ or Langendorff perfused isolated heart preparations. Repolarizat...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/s0022-0736(00)80073-4
更新日期：2000-04-01 00:00:00
abstract：BACKGROUND:Atrial fibrillation (AF) and ventricular arrhythmias (VAs) are associated with increased morbidity and mortality. However, data are lacking concerning the association of AF and VAs. This study aimed to clarify the association between AF and VAs and to investigate the effect of amiodarone on the incidence of ...
journal_title：Journal of electrocardiology
pub_type： 临床试验,杂志文章,多中心研究
doi：10.1016/j.jelectrocard.2018.10.083
更新日期：2018-01-01 00:00:00
abstract：PURPOSE:We conducted a systematic review and meta-analysis of randomized and observational studies to evaluate the associations between QRS duration (QRSd) at baseline or in follow-up and outcomes with cardiac resynchronization therapy (CRT). METHODS:We searched online databases to December 2010 and included 6 randomi...
journal_title：Journal of electrocardiology
pub_type： 杂志文章,meta分析,评审
doi：10.1016/j.jelectrocard.2012.12.003
更新日期：2013-03-01 00:00:00
abstract：:Vagally mediated paroxysmal atrial fibrillation is typically described to occur in otherwise healthy young-to-middle aged males during periods of high vagal tone. We report a case of cardioinhibitory type neurocardiogenic syncope associated with atrial fibrillation in an elderly female during episodes of nausea. This ...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2014.07.007
更新日期：2014-09-01 00:00:00
abstract：:A wide spectrum of types of right bundle branch block (RBBB) were studied utilizing the body surface potential maps (BSPMs) of 37 children. Although the spectrum varied from very advanced RBBB to minimal partial RBBB, a common diagnostic feature was the absence of evidence for right ventricular breakthrough in the map...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/s0022-0736(84)80070-9
更新日期：1984-10-01 00:00:00
abstract：:Continuously updated ST-segment recovery analysis has been shown to accurately predict infarct-related artery patency. Salient principles were converted into algorithms and incorporated into a portable ST monitor for optimal application. This study tested the automated program's ability to detect occlusion and reperfu...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/s0022-0736(96)80090-2
更新日期：1996-10-01 00:00:00
abstract：:Isolated occlusion of the septal perforating branch of the left anterior descending coronary artery is extremely rare. As a result, little is known about its electrocardiographic manifestations compared with those of an anteroseptal myocardial infarction. We present the case of an isolated septal myocardial infarction...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2011.07.013
更新日期：2012-05-01 00:00:00
abstract：UNLABELLED:By definition, the electrocardiographic (ECG) patterns of left bundle-branch block (LBBB) represent distinctive changes in duration and shape of the QRS complex caused by intraventricular conduction delay in the left ventricle (LV) due to structural abnormalities in the His-Purkinje conduction system and/or ...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2011.03.007
更新日期：2011-11-01 00:00:00
abstract：:The addition of propranolol to mexiletine may reduce the adverse effects of mexiletine and possibly increase its efficacy. We compared the cellular electrophysiologic effects of this combination with mexiletine and propranolol alone, over concentration ranges of 3.2 to 100 microM mexiletine and 0.80 to 25.0 microM pro...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/s0022-0736(87)80080-8
更新日期：1987-11-01 00:00:00
abstract：INTRODUCTION:The right ventricular myocardial infarction (RVMI) has traditionally been mainly related to inferior wall ST elevation myocardial infarction (STEMI). This study assessed the RVMI electrocardiographic (ECG-RVMI) signs in relationship to ECG-based STEMI localization and to the infarct related artery in patie...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2016.08.001
更新日期：2016-01-01 00:00:00
abstract：:A 65-year old male originally presented with repetitive ventricular bigeminal sequences demonstrating progressive prolongation of successive coupling intervals suggesting Wenckeback-type exit block. An even number distribution of conducted beats always intervened between bigeminal sequences. Subsequent analysis proved...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/s0022-0736(78)80146-0
更新日期：1978-10-01 00:00:00
abstract：:This study described the linear relationship of the myocardial infarct size, measured postmortem, to the integral of the sequential vector spatial magnitudes analyzed at 400 samples per second during the initial period of abnormal depolarization (IAD) in 25 patients with myocardial infarction (MI) and ten controls. Th...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/s0022-0736(82)81002-9
更新日期：1982-10-01 00:00:00
abstract：BACKGROUND:QT interval measured in the electrocardiogram (ECG) varies with RR interval challenging the calculation of corrected QT (QTc) in Atrial fibrillation (AF). OBJECTIVES:To identify the ideal Lead, number of complexes and the formula to measure QTc that correlates best between AF and sinus rhythm (SR). PROCEDU...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2019.06.009
更新日期：2019-01-01 00:00:00
abstract：:In treating atrial fibrillation (AF) the goal of ventricular rate reduction is still not determined. An animal model of AF was developed in which the relationship between ventricular rate and the parameters of cardiac function in AF can be studied. To simulate AF, complete heart block was chemically produced on open-c...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/s0022-0736(05)80100-1
更新日期：1994-04-01 00:00:00
abstract：:An electrocardiogram is presented which shows sinus rhythm with alternating Wolff-Parkinson-White (preexcitation) pattern. The frequency of intermittent preexcitation and mechanisms for its production are discussed. ...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/s0022-0736(78)80034-x
更新日期：1978-01-01 00:00:00
abstract：:The myocardial electrical conduction is significantly influenced by the sympathetic and parasympathetic nervous systems. Hypervagotonia refers to increased vagal tone leading to sinus bradycardia, sinus pause, or any degree of atrioventricular (AV) block. There are many clinical, electrocardiographic, and electrophysi...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2009.07.018
更新日期：2009-11-01 00:00:00
abstract：BACKGROUND:Simulation of the electrical activation of the heart and its comparison with real in vivo activation is a promising method in testing potential determinants of excitation. Simulation of the electrical activity of the human heart is now emerging as a step forward for understanding and predicting electrophysio...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2008.12.008
更新日期：2009-03-01 00:00:00
abstract：:Repetitive nonreentrant ventriculoatrial synchrony during dual-chamber pacing is characterized by long intervals alternating with short intervals. This arrangement activated automatic mode switching in a St Jude dual-chamber pacemaker in which the algorithm requires an atrial sensed event for automatic mode switching ...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2012.04.003
更新日期：2012-07-01 00:00:00
abstract：:Under healthy conditions, the normal cardiac (sinus) interbeat interval fluctuates in a complex manner. Quantitative analysis using techniques adapted from statistical physics reveals the presence of long-range power-law correlations extending over thousands of heartbeats. This scale-invariant (fractal) behavior sugge...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/s0022-0736(95)80017-4
更新日期：1995-01-01 00:00:00
abstract：BACKGROUND:No direct comparison of current electrocardiogram (ECG) interpretation programs exists. OBJECTIVE:Assess the accuracy of ECG interpretation programs in detecting abnormal rhythms and flagging for priority review records with alterations secondary to acute coronary syndrome (ACS). METHODS:More than 2,000 di...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2019.11.043
更新日期：2020-01-01 00:00:00
abstract：BACKGROUND:Case reports and unblinded studies suggest that human immunodeficiency virus (HIV) disease is associated with QT prolongation and torsade de pointes ventricular tachycardia. Hepatitis C coinfection is common in patients with HIV disease, and cirrhosis is also associated with QT prolongation. We therefore und...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2005.09.001
更新日期：2006-04-01 00:00:00
abstract：BACKGROUND:Several parameters of heart rate variability (HRV) have been shown to predict the risk of sudden cardiac death (SCD) in cardiac patients. There is consensus that risk prediction is increased when measuring HRV during specific provocations such as orthostatic challenge. For the first time, we provide data on ...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2015.04.004
更新日期：2015-07-01 00:00:00
abstract：:The objective of this article is to present a set of methods for constructing realistic computational models of cardiac structure from high-resolution structural and diffusion tensor magnetic resonance images and to demonstrate the applicability of the models in simulation studies. The structural image is segmented to...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2008.12.003
更新日期：2009-03-01 00:00:00
abstract：OBJECTIVE:We have previously used a 12-lead, signal-processed ECG to calculate blood potassium levels. We now assess the feasibility of doing so with a smartphone-enabled single lead, to permit remote monitoring. PATIENTS AND METHODS:Twenty-one hemodialysis patients held a smartphone equipped with inexpensive FDA-appr...
journal_title：Journal of electrocardiology
pub_type： 杂志文章
doi：10.1016/j.jelectrocard.2017.06.008
更新日期：2017-01-01 00:00:00
