Electromechanical mapping with MRI tagging and epicardial sock electrodes.

abstract：:For the past several years ECRI Institute has published a list of Top Ten Health Technology Hazards. This list is based on ECRI's extensive research in health technology safety and on data provided to its problemreporting systems. For every year that the Top Ten list has been published, Alarm Hazards have been at or n...

journal_title：Journal of electrocardiology

authors： Keller JP Jr

更新日期：2012-11-01 00:00:00

abstract：:This article concerns a currently reported hypothesis explaining the alternations of conduction time during intra atrioventricular (AV) nodal reentrant tachycardia (AVNRT). This hypothesis supposes simple mutual influence of sequences of intranodal conduction during reentry tachycardia that use the same circuit in dif...

journal_title：Journal of electrocardiology

authors： Malik M,Camm AJ

更新日期：1989-01-01 00:00:00

abstract：:Pacemaker capture during the supernormal period was seen in a case of modulated parasystole where ectopic cycles occurred without any interposed nonparasystolic beat. This contrasts with previous clinical reports, since, in the latter, the parasystolic cycle length could not be measured directly. As in experimental st...

journal_title：Journal of electrocardiology

authors： Castellanos A,De La Hera A,Luceri RM,Mendoza IJ,Myerburg RJ

更新日期：1989-10-01 00:00:00

abstract：:To elucidate the electrocardiographic (ECG) characteristics of dilated cardiomyopathy (DCM), the authors analyzed the 12-lead ECGs and echocardiograms in 45 patients with DCM, 54 patients with left ventricular (LV) dilatation secondary to valvular heart disease (VHD), 101 hypertensive patients with LV hypertrophy, and...

journal_title：Journal of electrocardiology

authors： Momiyama Y,Mitamura H,Kimura M

更新日期：1994-10-01 00:00:00

abstract：:The Brugada syndrome (BS) accounts for approximately 20% of cases of sudden cardiac death in patients with structurally normal hearts. The electrophysiologic basis for ST-segment elevation in the precordial electrocardiogram (ECG) leads that characterize the Brugada phenotype and its strong linkage to ventricular tach...

journal_title：Journal of electrocardiology

authors： Baez-Escudero JL,Shah DP,Weisberg IL,Beshai JF,Burke MC

更新日期：2010-09-01 00:00:00

abstract：BACKGROUND AND AIM:Acute ST-elevation myocardial infarction (STEMI) is associated with fatal and non-fatal ventricular arrhythmic events (VAE). Although primary percutaneous intervention (PCI) is first-line treatment in STEMI, fibrinolytic therapy (FT) is still widely used in many countries. Tp-Te interval; Tp-Te/QT ra...

journal_title：Journal of electrocardiology

authors： Özbek SC,Sökmen E

更新日期：2019-01-01 00:00:00

abstract：:Electrocardiographic manifestation mimicking the hyperacute phase of myocardial infarction and the electrical alternans of the elevated ST-segment in association with subarachnoid hemorrhage were reported in two patients with no evidence of heart disease. In both cases the ST-segment changes were transient and there w...

journal_title：Journal of electrocardiology

authors： Nakamura Y,Kaseno K,Kubo T

更新日期：1989-04-01 00:00:00

abstract：BACKGROUND:Temporary-permanent pacemakers [TPPM] are externally placed permanent generators attached to active fixation transvenous leads. TPPM can be used as an alternative to standard temporary pacing leads when placement of a permanent pacemaker is contraindicated. We sought to determine the incidence and risk facto...

journal_title：Journal of electrocardiology

authors： Dawood FZ,Boerkircher A,Rubery B,Hire D,Soliman EZ

更新日期：2016-07-01 00:00:00

abstract：:Direct Wenckebach periods in the left bundle branch with periods of 4:3 and 5:4 conduction alternating with 2:1 left bundle branch block (LBBB) were observed in a patient who was admitted because of congestive heart failure. There was no previous documented LBBB and serial electrocardiographic (ECG) mainfestations aft...

journal_title：Journal of electrocardiology

authors： Izumi K

更新日期：1980-01-01 00:00:00

abstract：:We evaluate in this paper different strategies for the construction of a statistical shape model (SSM) of the left ventricle (LV) to be used for segmentation in cardiac magnetic resonance (CMR) images. From a large database of LV surfaces obtained throughout the cardiac cycle from 3D echocardiographic (3DE) LV images,...

journal_title：Journal of electrocardiology

authors： Piazzese C,Carminati MC,Colombo A,Krause R,Potse M,Auricchio A,Weinert L,Tamborini G,Pepi M,Lang RM,Caiani EG

更新日期：2016-05-01 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

authors： Barold SS,Stroobandt RX,Van Heuverswyn F

更新日期：2012-07-01 00:00:00

abstract：:In patients presenting with signs and symptoms of an acute coronary syndrome (ACS) the combination of multilead ST depression and ST elevation in lead aVR, the electrocardiographic "aVR sign," has been associated with severe left main coronary artery stenosis or diffuse coronary artery disease and a high risk of death...

journal_title：Journal of electrocardiology

authors： Gibbs MA,Leedekerken JB,Littmann L

更新日期：2019-01-01 00:00:00

abstract：:A successive RR interval plot was developed to analyze arrhythmia. The plot consisted of a set of points with the x-value of (N)th RR interval and the y-value of (N + 1)th RR interval. This method was applied in the arrhythmia analysis of Holter electrocardiograms obtained from 35 patients. In the analysis of ventricu...

journal_title：Journal of electrocardiology

authors： Anan T,Sunagawa K,Araki H,Nakamura M

更新日期：1990-07-01 00:00:00

abstract：BACKGROUND:While J-waves were observed in healthy populations, variations in their reported incidence may be partly explicable by the ECG filter setting. METHODS:We obtained resting 12-lead ECG recordings in 665 consecutive patients and enrolled 112 (56 men, 56 women, mean age 59.3±16.1years) who manifested J-waves on...

journal_title：Journal of electrocardiology

authors： Nakagawa M,Tsunemitsu C,Katoh S,Kamiyama Y,Sano N,Ezaki K,Miyazaki H,Teshima Y,Yufu K,Takahashi N,Saikawa T

更新日期：2014-01-01 00:00:00

abstract：INTRODUCTION:Not only repolarization, but also depolarization ECG indexes reflect the progression of ischemic injury. The aim was to assess the QRS duration and morphology dynamics during the prolonged coronary occlusion and their association with the myocardial area at risk (MaR) and final infarct size (IS). METHODS:...

journal_title：Journal of electrocardiology

authors： Demidova MM,Martín-Yebra A,Koul S,Engblom H,Martínez JP,Erlinge D,Platonov PG

更新日期：2016-05-01 00:00:00

abstract：:Sintered Ag-AgCl needle electrodes were used to record unipolar directly coupled (DC) electrograms transmurally from right and left ventricular myocardium. Direct coupling yields unfiltered low-frequency signal content, preserving repolarization waveform morphology. These electrograms were analyzed using completely au...

journal_title：Journal of electrocardiology

authors： Witkowski FX,Penkoske PA

更新日期：1988-08-01 00:00:00

abstract：:The authors focus on computational separation of the individual patterns of occlusion of the major segments of the right coronary artery. The raw patterns of occlusion throughout 15 standard subdivisions of the coronary arterial tree and body surface isoarea maps for 8 consecutive 10-msec intervals of QRS were examine...

journal_title：Journal of electrocardiology

authors： Horan LG,Sridharan MR,Flowers NC,Killam HA

更新日期：1989-01-01 00:00:00

abstract：PURPOSE:This study aims to develop a noninvasive atrial remodeling index (RI) to separate patients presenting paroxysmal atrial fibrillation (ParAF) from those with sustained persistent atrial fibrillation (PerAF), that is, AF episodes interrupted 7 days or more after the onset. METHODS:Signal-averaged P-wave duration...

journal_title：Journal of electrocardiology

authors： Vincenti A,Rota M,Spinelli M,Corciulo M,De Ceglia S,Rovaris G,Antolini L,Genovesi S

更新日期：2012-03-01 00:00:00

abstract：UNLABELLED:The increased QRS voltage is considered to be a specific electrocardiogram (ECG) sign of left ventricular hypertrophy (LVH), and it is expected that the QRS voltage reflects the increase in left ventricular mass (LVM). However, the increased QRS voltage is only one of QRS patterns observed in patients with L...

journal_title：Journal of electrocardiology

authors： Bacharova L,Szathmary V,Kovalcik M,Mateasik A

更新日期：2010-05-01 00:00:00

abstract：:We present an example of sudden modification in QRS morphology during ventricular pacing inside a scar-related isthmus. This is explained by a "concealed" sudden block in both the orthodromic and antidromic wavefront directions, allowing then the activation to proceed through a now overt antidromic conduction. ...

journal_title：Journal of electrocardiology

authors： Maury P,Rollin A,Sellal JM,Duparc A,Mondoly P,Cardin C,De Chillou C

更新日期：2016-01-01 00:00:00

abstract：:Inferior paraseptal accessory pathways (APs) have a wide distribution and prediction of AP location before radiofrequency ablation is very important in such pathways. We aimed to estimate successful ablation site based on electrocardiogram in 137 patients (mean age: 25.8±9.0; 126 males) with single manifest inferior p...

journal_title：Journal of electrocardiology

authors： Kabul HK,Ulus T,Barcın C,Unlu M,Samedli S,Kose S

更新日期：2016-03-01 00:00:00

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_title：Journal of electrocardiology

authors： Wartak J

更新日期：1979-10-01 00:00:00

abstract：:To assess the effect of pacing drive cycle length on induction of sustained monomorphic ventricular tachycardia, 40 patients were prospectively studied in the drug-free state. Ventricular extrastimuli were sequentially delivered at the same coupling interval at each of three drive cycle lengths (600, 500, and 400 ms) ...

journal_title：Journal of electrocardiology

authors： Mann DE,Florek RC,Reiter MJ

更新日期：1992-01-01 00:00:00

abstract：:Many electrocardiographic criteria have been proposed for the differentiation of ventricular extrasystole and supraventricular conduction with aberrancy in atrial fibrillation but the validity of these have not been confirmed by intracardiac studies. We recorded His bundle electrograms in nineteen patients (eleven men...

journal_title：Journal of electrocardiology

authors： Gulamhusein S,Yee R,Ko PT,Klein GJ

更新日期：1985-01-01 00:00:00

abstract：:The widespread clinical application of implantable electrical defibrillation devices has engendered considerable interest into the mechanism of action of such devices. In addition, better means of rapid detection of postshock efficacy have been sought. The authors performed this study to test the following hypotheses:...

journal_title：Journal of electrocardiology

authors： Witkowski FX,Penkoske PA

更新日期：1990-01-01 00:00:00

abstract：:Postoperative atrial fibrillation is common after cardiac surgery. Prediction of which patients will develop postoperative atrial fibrillation would be clinically useful. Increased P-wave duration, suggesting atrial conduction delay and measured from preoperative electrocardiograms, predicts postoperative atrial fibri...

journal_title：Journal of electrocardiology

authors： Kalus JS,Kluger J,Caron MF,Liu X,Humphrey C,White CM

更新日期：2004-04-01 00:00:00

abstract：:Drugs with diverse structures and from several therapeutic classes are reported to increase the risk that a patient will experience ventricular tachyarrhythmias (e.g., torsades de pointes [TdP]) during drug therapy. This review discusses the use of preclinical assays to assess the risk that a QT-prolonging drug will c...

journal_title：Journal of electrocardiology

authors： Shryock JC,Song Y,Wu L,Fraser H,Belardinelli L

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:Conflicting evidence exists on the efficacy of focal impulse and rotor modulation on atrial fibrillation ablation. A potential explanation is inaccurate rotor localization from multiple rotors coexistence and a relatively large (9-11mm) inter-electrode distance (IED) of the multi-electrode basket catheter. ...

journal_title：Journal of electrocardiology

authors： Aronis KN,Ashikaga H

更新日期：2018-01-01 00:00:00

abstract：:Brugada syndrome is characterized by J wave and ST-segment elevation of right precordial leads and causes idiopathic ventricular fibrillation. We experienced a patient of Brugada syndrome with prominent J wave and ST-segment elevation not only in V(1) to V(3) but also in many leads. He suffered spontaneous ventricular...

journal_title：Journal of electrocardiology

authors： Tsunoda Y,Takeishi Y,Nozaki N,Kitahara T,Kubota I

更新日期：2004-10-01 00:00:00

abstract：:One-to-two atrioventricular conduction, ie, the double response to a single sinus or atrial impulse, resulting in two QRS complexes for one P wave, is a rare manifestation of dual atrioventricular (AV) nodal pathways. This report describes the case of a 61-year-old woman with continuous episodes of supraventricular ta...

journal_title：Journal of electrocardiology

authors： Fraticelli A,Saccomanno G,Pappone C,Oreto G

更新日期：1999-10-01 00:00:00