False ST elevation in a modified 12-lead surface electrocardiogram.

abstract：:The electrocardiographic transient display of left ventricular hypertrophy (LVH), during rapid heart rates, in the setting of sinus/supraventricular tachycardias and atrial fibrillation, is illustrated via 3 case reports. This common occurrence is expressed by an increase in the S-waves in leads V2-V5, during tachycar...

journal_title：Journal of electrocardiology

authors： Madias JE

更新日期：2021-01-09 00:00:00

abstract：:A method has been developed for establishing a "University Without Walls" for the purpose of studying the relationship between electrocardiographic estimation and magnetic resonance imaging measurements of myocardial infarct size. The research team includes faculty and students from 4 medical centers, with expertise e...

journal_title：Journal of electrocardiology

authors： Wagner GS,Engblom H,Billgren T,Carlsson M,Hedstrom E,Ugander M,Selvester RH,Arheden H,Eisenstein E,Kasper J,White R

更新日期：2001-01-01 00:00:00

abstract：:Prognosis and risk factors for patients age 35years or younger with Brugada syndrome (BrS) were prospectively explored in a sub-analysis of the Japan Idiopathic Ventricular Fibrillation Study (J-IVFS) registry. During the period from February 2002 to January 2011, 69 cases (mean age 30±6years, male=66) of the young (a...

journal_title：Journal of electrocardiology

authors： Hiraoka M,Takagi M,Yokoyama Y,Sekiguchi Y,Aihara N,Aonuma K,Japan Idiopathic Ventricular Fibrillation Study Investigators.

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND:Sudden arousal has been associated with sudden cardiac death in individuals with ischemic heart disease, cardiac arrhythmias, and the congenital long QT syndrome. This study aimed to determine the effects of arousal on ventricular repolarization in normal individuals by examining the dynamic QT interval-hear...

journal_title：Journal of electrocardiology

authors： Dweck MR,Lang CC,Neilson JM,Flapan AD

更新日期：2006-07-01 00:00:00

abstract：:Have we a challenge of credibility in the invasive treatment of atrial fibrillation (AFIB)? The incidence of AFIB in the European Union (EU) is about 600,000 cases per year, while only 100,000 get an invasive treatment with a failure rate of close to 40%. Those that remain in AFIB need two times more hospitalizations ...

journal_title：Journal of electrocardiology

authors： Azpilicueta J,Chmelevsky M,Potyagaylo D

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：:Exercise testing was evaluated in 51 patients with critical left coronary artery disease (LCA) documented by coronary arteriography within two weeks of their bicycle ergometer (26 patients) or treadmill (25 patients) electrocardiographic study. Adequate tests, as defined by the patient having reached 85% of predicted ...

journal_title：Journal of electrocardiology

authors： Timmis GC,Westveer DC,Gordon S,Ramos RG,Gangadharan V

更新日期：1979-07-01 00:00:00

abstract：:Patients with paroxysmal atrial fibrillation (AF) have greater overall P wave magnitude than control subjects, but the temporal localization of the increased energy is unknown. P wave spectral turbulence has not been investigated in such patients, and the optimum methodology for studying P wave signals has not been de...

journal_title：Journal of electrocardiology

authors： Stafford PJ,Vincent R

更新日期：1997-04-01 00:00:00

abstract：:The authors comment on the present status of computerized electro-cardiogram (ECG) works in Japan and demonstrate the preliminary tentative results of CSE (common standards for quantitative electrocardiography) data analysis using the Nagoya program. The more detailed results of the performance of several programs in ...

journal_title：Journal of electrocardiology

authors： Okamoto N,Ohsawa N

更新日期：1988-01-01 00:00:00

abstract：:A 38-year-old African American male patient with a past medical history of human immunodeficiency virus and schizophrenia who was noncompliant with medications presented to the emergency department (ED) after activation of the local crisis response center for altered mental status. Upon arrival he was lethargic and un...

journal_title：Journal of electrocardiology

authors： Dias A,Franco E,Martinez J,Figueredo VM

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Descriptions of the significance of ST segment or QRS abnormalities in myocarditis are limited because documentation of the diagnosis has previously required myocardial biopsy. Late gadolinium enhancement (LGE) and T2 weighted imaging in the midventricular wall on cardiac magnetic resonance imagi...

journal_title：Journal of electrocardiology

authors： Jhamnani S,Fuisz A,Lindsay J

更新日期：2014-11-01 00:00:00

abstract：:Successful curative treatment of right atrial tachycardia (AT) can be obtained provided detailed catheter activation mapping of the target site for radiofrequency energy application has been accomplished. However, right AT mapping may be difficult with a single roving catheter due to infrequent presence or noninducibi...

journal_title：Journal of electrocardiology

authors： SippensGroenewegen A,Roithinger FX,Peeters HA,Linnenbank AC,van Hemel NM,Steiner PR,Lesh MD

更新日期：1998-01-01 00:00:00

abstract：:A comparison was performed between the points measured using the Selvester QRS scoring system in 60 electrocardiograms (ECGs) displayed in both a standard format as well as a 4-fold magnified (quad-plot) format. Fifty criteria (a maximum possibility of 31 points) were evaluated in each ECG. The data indicate that in 5...

journal_title：Journal of electrocardiology

authors： Wagner GS,Greenfield JC Jr,Rembert JC,Warren JW,Albano A,Palmeri MA,Horácek BM

更新日期：2007-07-01 00:00:00

abstract：:A patient with acute extensive anterior and old inferior wall myocardial infarction developed left anterior hemiblock, resulting in loss of the electrocardiographic evidence of infarction. While the vectorcardiogram has generally been found useful in diagnosing coexistent hemiblock and inferior myocardial infarction, ...

journal_title：Journal of electrocardiology

authors： Khair GZ,Tristani FE,Brooks HL

更新日期：1980-01-01 00:00:00

abstract：:In a 66-year-old male with subacute extensive anterior wall myocardial infarction, we report a change in ST vector orientation from a basal anterior to a mid anterior after coronary artery recanalization of the proximal left anterior descending coronary artery with rotational atherectomy. The ST vector shift on the fr...

journal_title：Journal of electrocardiology

authors： Akutsu Y,Nishimura H,Hamazaki Y,Kaneko K,Kodama Y,Li HL,Suyama J,Shinozuka A,Gokan T,Kobayashi Y

更新日期：2009-09-01 00:00:00

abstract：UNLABELLED:The verapamil-sensitive Belhassen tachycardia is a ventricular reentrant tachycardia, involving left-sided Purkinje fibers and abnormal Purkinje or myocardial tissue. Ablation is feasible, targeting a diastolic fascicular potential in the apical left ventricle. CASE REPORT:We report on a 13-year-old girl wi...

journal_title：Journal of electrocardiology

authors： Emmel M,Sreeram N,Khalil M,Adelmann R,Brockmeier K

更新日期：2011-11-01 00:00:00

abstract：BACKGROUND:The present study investigates spatial properties of atrial fibrillation (AF) by analyzing vectorcardiogram loops synthesized from 12-lead electrocardiograms (ECGs). METHODS:After atrial signal extraction, spatial properties are characterized through analysis of successive, fixed-length signal segments and ...

journal_title：Journal of electrocardiology

authors： Richter U,Stridh M,Bollmann A,Husser D,Sörnmo L

更新日期：2008-03-01 00:00:00

abstract：:The objective of this study is to assess the performance of patient-specific segment-specific (PSSS) synthesis in QRST complexes using CAVIAR, a new method of the serial comparison for electrocardiograms and vectorcardiograms. A collection of 250 multi-lead recordings from the Common Standards for Quantitative Electro...

journal_title：Journal of electrocardiology

authors： Scherer JA,Rubel P,Fayn J,Willems JL

更新日期：1992-01-01 00:00:00

abstract：:Magnesium ion infusion has been reported for treatment of hypomagnesemia often associated with myocardial infarction and with surgeries involving cardiopulmonary bypass (CPB). Magnesium infusion before CPB has been reported to adversely affect the ability to defibrillate after CPB. However, there are also reports of m...

journal_title：Journal of electrocardiology

authors： McDaniel WC,Curtis JJ,Walls JT,Madsen RW

更新日期：1998-04-01 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

authors： Dash A,Torado C,Paw N,Fan D,Pezeshkian N,Srivatsa U

更新日期：2019-01-01 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

authors： Tomcsanyi J,Bozsik B,Zsoldos A,Simor T

更新日期：2012-05-01 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：:In a patient with Wolff-Parkinson-White syndrome and an inferior-posterior bypass tract, transient restoration of normal conduction occurred during an attack of angina. The ECG pattern of inferior posterior ischemia was present when the conduction was normal. Thallium scintigraphy showed a reversible posterolateral pe...

journal_title：Journal of electrocardiology

authors： Mangiafico RA,Petralito A,Grimaldi DR

更新日期：1990-07-01 00:00:00

abstract：:Frank-lead electrocardiograms (ECGs) were recorded from 59 adult males with suspected coronary artery disease. Three records were recorded consecutively on frequency modulated tape for each patient in (1) supine position, (2) sitting position with arms relaxed, and (3) sitting position on bicycle with arms on bicycle ...

journal_title：Journal of electrocardiology

authors： Shapiro W,Berson AS,Pipberger HV

更新日期：1976-01-01 00:00:00

abstract：BACKGROUND:Presence of severe autonomic failure (SAF), defined as coincidence of abnormal heart rate turbulence and abnormal deceleration capacity, identifies a group of patients with very poor prognosis among post-infarction patients with diabetes mellitus. However, factors contributing to development of SAF are entir...

journal_title：Journal of electrocardiology

authors： Zuern CS,Rizas K,Eick C,Sterz K,Gawaz M,Bauer A

更新日期：2012-11-01 00:00:00

abstract：:The authors present an original method for the discrimination of patients prone to ventricular tachycardia. The wavelet transform, which is a new time-scale technique suitable for transient signal detection, was applied to bipolar unfiltered X, Y, Z signal-averaged electrocardiograms in 20 postinfarction patients with...

journal_title：Journal of electrocardiology

authors： Morlet D,Peyrin F,Desseigne P,Touboul P,Rubel P

更新日期：1993-10-01 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：:The electrocardiogram (ECG) is a relatively insensitive tool for the detection of right ventricular hypertrophy (RVH), but some criteria have high specificity. The recommended ECG screening criteria for RVH are not sufficiently sensitive or specific for screening for mild RVH in adults without clinical cardiovascular ...

journal_title：Journal of electrocardiology

authors： Nikus K,Pérez-Riera AR,Konttila K,Barbosa-Barros R

更新日期：2018-01-01 00:00:00

abstract：:The pathophysiological mechanisms of altered transmembrane potentials in diseased human atria were investigated in 20 patients who were divided into group A (normal) and group B (diseased). The electrophysiological data of right atrial tissues measured with glass microelectrodes included maximum diastolic potentials (...

journal_title：Journal of electrocardiology

authors： Lee YS

更新日期：1986-01-01 00:00:00

abstract：:Forty-three patients with their first acute inferior wall myocardial infarction (IWMI) were divided into three groups according to the R/Q ratio in standard lead II. This was done to correlate these groups with the characteristic course of electrocardiographic stages. The R/Q ratio was measured on the ninth day of fol...

journal_title：Journal of electrocardiology

authors： Klainman E,Sclarovsky S,Mager A,Topaz O,Agmon J

更新日期：1988-11-01 00:00:00