Supraventricular tachycardia precipitated by a peripherally inserted central catheter.

abstract：:We report a case of an outpatient cardiac arrest due to ventricular fibrillation and resuscitated with external automated defibrillator shocks in which acute amiodarone infusion unmasked a Brugada phenotype electrocardiographic pattern. Possible interferences by this drug and suitable therapeutic actions are discussed...

journal_title：Journal of electrocardiology

authors： D'Aloia A,Vizzardi E,Bugatti S,Zanini G,Bontempi L,Curnis A

更新日期：2012-07-01 00:00:00

abstract：:VPC morphology was studied in the surface 12-leads ECGs (resting) in one hundred and thirty-six patients over a none-month period (January-September, 1978). Seventy four (54%) of these had coronary artery disease proven by cardiac catheterization (61) or by evidence of acute transmural myocardial infarction (13) diagn...

journal_title：Journal of electrocardiology

authors： Sharma PR,Chung EK

更新日期：1980-10-01 00:00:00

abstract：:A comparison was made of the electrophysiological properties of the fibers between the previously reported conduction pathways from the left atrium to the right atrium and to the ventricle (left A-V ring pathways) and the ordinary atrial muscle, using perfused isolated rabbit hearts. Each fiber within these pathways s...

journal_title：Journal of electrocardiology

authors： Tsuchihashi H,Suzuki F,Sano T

更新日期：1980-01-01 00:00:00

abstract：:We previously showed that increased intracardiac repolarization lability predicts life-threatening ventricular arrhythmias in patients with structural heart disease. Patients with structural heart disease frequently take antiarrhythmic drugs (AADs), which directly affect repolarization. The effect of AADs on the predi...

journal_title：Journal of electrocardiology

authors： Tereshchenko LG,Fetics BJ,Berger RD

更新日期：2009-11-01 00:00:00

abstract：AIM:P-wave dispersion (PD), and duration has been reported to be associated with inhomogeneous and discontinuous propagation of sinus impulses. The aim of this study was to investigate the PD in patients with coronary slow flow (CSF) phenomenon. METHODS:Study population included 48 patients with angiographically prove...

journal_title：Journal of electrocardiology

authors： Dogan SM,Yildirim N,Gursurer M,Aydin M,Kalaycioglu E,Cam F

更新日期：2008-01-01 00:00:00

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

authors： Zheng LR,Chen Y,Lian MJ,Wang LH,Zhu JH,Chen JZ,Tiao QM

更新日期：2007-09-01 00:00:00

abstract：:An academic 12-lead electrocardiogram (ECG) core laboratory aims to provide the highest possible quality ECG recording, measurement, and storage to aid clinicians in research into important cardiovascular outcomes and to maximize the credibility of scientific results based solely, or in part, on ECG data. This positio...

journal_title：Journal of electrocardiology

authors： Anderson ST,Pahlm O,Bacharova L,Barbagelata A,Chaitman BR,Clemmensen P,Goodman S,Hedén B,Klootwijk PJ,Lauer M,MacFarlane PW,Rautaharju P,Reddy S,Selvester RH,Sgarbossa EB,Underwood D,Warner RA,Wagner GS

更新日期：2001-01-01 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

authors： Sriram CS,Naccarelli GV,Luck JC

更新日期：2014-09-01 00:00:00

abstract：:Left bundle branch block (LBBB), traditionally viewed as an electrophysiologic abnormality, is increasingly recognized for its profound hemodynamic effects. LBBB causes asynchronous myocardial activation, which, in turn, may trigger ventricular remodeling. Exercise nuclear studies frequently show reversible perfusion ...

journal_title：Journal of electrocardiology

authors： Littmann L,Symanski JD

更新日期：2000-01-01 00:00:00

abstract：:A superficial accessory pathway was demonstrated by electrophysiologic techniques and surgical histopathology in 30-year-old male with Wolff-Parkinson-White syndrome, severe mitral valve disease and medically uncontrollable arrhythmias. In this patient, electrode catheter studies in the cardiac catheterization laborat...

journal_title：Journal of electrocardiology

authors： Untereker WJ,Litwak RS,Mindich BP,Wiemann G,Goldberg S,Gorlin R,Kupersmith J

更新日期：1980-10-01 00:00:00

abstract：:The purpose of this experiment is to study the possibility of intra-QRS high-frequency electrocardiographic (HFECG) changes for the evaluation of and recovery from myocardial ischemia in both the time-domain and spectral-turbulence analyses on the signal-averaged ECG using the Holter ECG monitoring (Holter SAECG) syst...

journal_title：Journal of electrocardiology

authors： Yakubo S,Ozawa Y,Komaki K

更新日期：1995-01-01 00:00:00

abstract：INTRODUCTION:Measures of heart rate variability (HRV) can be divided in time domain and frequency domain parameters. It is frequently ignored that estimation of frequency-domain parameters is a 2-step procedure where statistical error from the first step (spectral estimation) is neglected in subsequent analyses. METHO...

journal_title：Journal of electrocardiology

authors： Kuss O,Schumann B,Kluttig A,Greiser KH,Haerting J

更新日期：2008-07-01 00:00:00

abstract：:We describe a 75-year-old male patient with two-vessel coronary artery disease, who developed transient left posterior hemiblock (LPH) while undergoing an exercise treadmill test (ETT). The intraventricular conduction abnormality initially had the features of alternating LPH, which evolved to stable LPH prior to dissi...

journal_title：Journal of electrocardiology

authors： Madias JE,Knez P

更新日期：1999-01-01 00:00:00

abstract：:Computer analysis of electrocardiograms (ECGs) provides a large amount of ECG measurement data, which may be used for diagnostic classification and storage in ECG databases. Until now, neither error limits for ECG measurements have been specified nor has their influence on diagnostic statements been systematically inv...

journal_title：Journal of electrocardiology

authors： Zywietz C,Celikag D,Joseph G

更新日期：1996-01-01 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：: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：:Isolated T wave alternans (TWA) could be consistently induced in 13 dogs by infusion of an acid dextrose solution (ACD) and in nine with a 2% EDTA disodium solution. To study the factors concerned in evoking TWA, serial determinations of total and ionized serum calcium (ICa), Mg, K, pH, pCO2 and pO2 were performed. Ar...

journal_title：Journal of electrocardiology

authors： Navarro-Lopez F,Cinca J,Sanz G,Magriña J,Betriu A

更新日期：1978-04-01 00:00:00

abstract：BACKGROUND:Atrial fibrillation occurs in 20% to 40% of patients post cardiac surgery. Prophylactic amiodarone decreases the incidence of atrial fibrillation, especially in those not taking β-blockers. Studies, however, vary in dosage, duration of treatment, and route of administration. Limited studies evaluating short ...

journal_title：Journal of electrocardiology

authors： Carter WH,Trotter CC,Kowalski TE,Modak A,Siddiqui Y,Davis E,Sampath R,Khan JH

更新日期：2012-11-01 00:00:00

abstract：:An asymptomatic 19-year-old top-level athlete had electrocardiographic evidence of intermittent cardiac preexcitation and intermittent left bundle branch block. The electrophysiologic study demonstrated the presence of a direct accessory pathway and enhanced atrioventricular node conduction that resulted in infrahisia...

journal_title：Journal of electrocardiology

authors： Buja G,Canciani B,Martini B,Scognamiglio R,Corrado D,Nava A

更新日期：1991-01-01 00:00:00

abstract：:The authors investigated the usefulness of the Karhunen-Loeve technique applied to body surface maps to study regional cardiac excitation. Eigenvectors were derived from the body surface potential maps of 120 healthy adults using the Karhunen-Loeve expansion theory. Then, in the maps of various types of ventricular hy...

journal_title：Journal of electrocardiology

authors： Watabe S,Hayashi H,Yamada Y,Miyaji K,Yabe S,Sotobata I,Iwata A,Suzumura N

更新日期：1990-01-01 00:00:00

abstract：:In order to differentiate the vectorcardiogram (VCG) in high posterior infarction (HPI) from VCGs of normal subjects, right ventricular hypertrophy (RVH) and primary myocardial disease (PMD), the following criteria were presented; cases satisfying the criteria could be diagnosed as high posterior infarction. In cases ...

journal_title：Journal of electrocardiology

authors： Suzuki K,Toyama S

更新日期：1978-04-01 00:00:00

abstract：BACKGROUND:Many variants of the spatial QRS-T angle (QRS-Ta) are in use. We aimed to identify the best QRS-Ta for all-cause mortality prediction among different variants. METHODS:6667 individuals from the Inter99 General Population Study were followed for a median of 12.7 years. Vectorcardiograms were calculated using...

journal_title：Journal of electrocardiology

authors： Kück K,Isaksen JL,Graff C,Skaaby T,Linneberg A,Hansen T,Kanters JK

更新日期：2018-01-01 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：:The modified Sgarbossa criteria have been established to aid in the diagnosis of ST-elevation myocardial infarction in patients with left bundle branch block. Thus far, the sensitivities and specificities of the Sgarbossa signs have only been evaluated retrospectively in cohorts of patients with and without occlusive ...

journal_title：Journal of electrocardiology

authors： Cravens MG,Ali SF,Gibbs MA,Littmann L

更新日期：2020-01-01 00:00:00

abstract：:A His bundle electrogram was obtained in a 70 year old male with syncopal episodes. A split bundle of His deflection was recorded. After the intravenous administration of phentolamine, a marked shortening of the H-H' interval was observed. This signifies an improvement in conduction at the bundle of His level. ...

journal_title：Journal of electrocardiology

authors： Gould L,Reddy CV,Oh KC,Kim SG,Becker W

更新日期：1978-10-01 00:00:00

abstract：:Until recently, ECG accuracy in localizing acute myocardial infarction (AMI) could be assessed only by comparing the ECGs with autopsy findings. This approach, however, preselected patients, including only those who died. It is possible that this postmortem group of patients would be different from the whole populatio...

journal_title：Journal of electrocardiology

authors： Yasuda T,Ribeiro LG,Holman BL,Alpert JS,Maroko PR

更新日期：1982-04-01 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：:The long-term goal of electrocardiography is to relate electric potentials on the body surface with activities in the heart. Many previously reported studies have focused on direct links between heart and body surface potentials. The goals of this study were first to validate computational methods of determining volum...

journal_title：Journal of electrocardiology

authors： Ni Q,MacLeod RS,Punske BB,Taccardi B

更新日期：2000-01-01 00:00:00

abstract：:In a patient with the sick sinus syndrome and near syncope a prolonged sinus pause was documented and reproduced thereafter during sustained deep inspiration. Administration of intravenous atropine abolished this phenomenon, most probably indicating a hyperresponsiveness of the sinus node and AV junction to a vagotoni...

journal_title：Journal of electrocardiology

authors： Strasberg B,Sclarovsky S,Arditti A,Lewin RF,Agmon J

更新日期：1986-01-01 00:00:00

abstract：:An interpolated premature ventricular contraction (PVC) may produce either complete block of the next sinus impulse or depression of A-V nodal conduction with a prolonged A-H interval. When a PVC results in partial depression of a A-V nodal conduction, the effect on subsequent premature atrial stimuli is unknown. The ...

journal_title：Journal of electrocardiology

authors： Bissett JK,Kane JJ,de Soyza N,McConnell J,Schmitt N

更新日期：1977-01-01 00:00:00