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：BACKGROUND:It has been reported in the literature that the increase in body temperature shortens QT interval on electrocardiogram through heart rate modulation. However, the effects of fever on ventricular repolarization are not clearly known. This study elaborates on QT interval of isolated fever, corrected QT (cQT), ...

journal_title：Journal of electrocardiology

authors： Gökçen E,Savrun A

更新日期：2020-12-03 00:00:00

abstract：INTRODUCTION:Left ventricular hypertrophy (LVH), defined as an increased left ventricular mass (LVM), can manifest as increased wall thickness, ventricular dilatation, or both. Existing LVH criteria from the electrocardiogram (ECG) have poor sensitivity. However, it is unknown whether changes in wall thickness and mass...

journal_title：Journal of electrocardiology

authors： Maanja M,Schlegel TT,Kozor R,Lundin M,Wieslander B,Wong TC,Schelbert EB,Ugander M

更新日期：2020-01-01 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

authors： De Bie J,Martignani C,Massaro G,Diemberger I

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:QRS-duration predicts mortality in patients with heart failure and, to a lesser extent, the general population. However, in patients with diabetes, its prognostic significance is unknown. To better understand how QRS-duration relates to mortality among those with diabetes, we explored survival as a function ...

journal_title：Journal of electrocardiology

authors： Singleton MJ,German C,Hari KJ,Saylor G,Herrington DM,Soliman EZ,Freedman BI,Bowden DW,Bhave PD,Yeboah J

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:Coronary artery disease (CAD) is a leading cause of death and disability. Conventional non-invasive diagnostic modalities for the detection of stable CAD at rest are subject to significant limitations: low sensitivity, and personal expertise. We aimed to develop a reliable and time-cost efficient screening t...

journal_title：Journal of electrocardiology

authors： Braun T,Spiliopoulos S,Veltman C,Hergesell V,Passow A,Tenderich G,Borggrefe M,Koerner MM

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:Measuring repolarization characteristics is challenging and has been reserved for experienced physicians. In electrocardiographic imaging (ECGI), activation-recovery interval (ARI) is used as a measure of local cardiac repolarization duration. We hypothesized that repolarization characteristics, such as loca...

journal_title：Journal of electrocardiology

authors： Blom LJ,Groeneveld SA,Wulterkens BM,van Rees B,Nguyen UC,Roudijk RW,Cluitmans M,Volders PGA,Hassink RJ

更新日期：2020-01-01 00:00:00

abstract：:15-Year-old man's cardiac event monitor showed an episode of wide complex tachycardia which transitioned into narrow complex tachycardia. The tachycardia cycle length was shorter during wide complex tachycardia compared with narrow complex tachycardia. He underwent electrophysiology study in which an orthodromic atrio...

journal_title：Journal of electrocardiology

authors： Tan VH,Yeo C,Wong K

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:Accurate detection of QRS complexes during mobile, ultra-long-term ECG monitoring is challenged by instances of high heart rate, dramatic and persistent changes in signal amplitude, and intermittent deformations in signal quality that arise due to subject motion, background noise, and misplacement of the ECG...

journal_title：Journal of electrocardiology

authors： Malik J,Soliman EZ,Wu HT

更新日期：2020-01-01 00:00:00

abstract：:A 58-year-old woman with a history of multi-origin atrial tachycardia and limb-girdle muscular dystrophy was treated for presyncope caused by pauses in atrial rhythm. A dual-chamber pacemaker was implanted. The low-voltage area extended broadly, but 10-V pacing could not capture the large right atrium, including the r...

journal_title：Journal of electrocardiology

authors： Miki T,Shirayama T,Shiraishi H,Hirao Y,Matoba S

更新日期：2020-01-01 00:00:00

abstract：:Benign Early Repolarization is seen most commonly in young males and is thought to arise from left ventricular hypertrophy, vagal tone and hereditary predilection. This case describes an elderly man with Early Repolarization mimicking acute myocardial infarction after a carotid stent procedure. ...

journal_title：Journal of electrocardiology

authors： Wilson JM

更新日期：2020-01-01 00:00:00

abstract：:Early recognition of ST-segment elevation myocardial infarction equivalent electrocardiogram patterns is of paramount importance. Successful identification of these ischemic patterns helps ensure proper triage of patients needing urgent restoration of coronary perfusion. The so-called de Winter sign has become increas...

journal_title：Journal of electrocardiology

authors： Kashou AH,LoCoco S,Asirvatham SJ,May AM,Noseworthy PA

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:Differentiation of wide complex tachycardias (WCTs) into ventricular tachycardia (VT) or supraventricular wide complex tachycardia (SWCT) using conventional manually-operated electrocardiogram (ECG) interpretation methods is difficult. Recent research has shown that accurate WCT differentiation may be accomp...

journal_title：Journal of electrocardiology

authors： Kashou AH,DeSimone CV,Deshmukh AJ,McGill TD,Hodge DO,Carter R,Cooper DH,Cuculich PS,Noheria A,Asirvatham SJ,Noseworthy PA,May AM

更新日期：2020-01-01 00:00:00

abstract：:Hypertrophic cardiomyopathy (HCM) with apical aneurysm (AA) is rare, but has been reported to be associated with refractory ventricular tachycardias (VTs). Majority of such cases had a central isthmus of the reentry circuit on the border zone of AA. In this report, we describe a rare case of the successful epicardial ...

journal_title：Journal of electrocardiology

authors： Nakao M,Watanabe M,Kamada R,Hagiwara H,Takahashi Y,Koya T,Kadosaka T,Koizumi T,Hirose M,Anzai T

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:Conflicting results have been reported on the predictive value of the electrocardiographic left ventricular hypertrophy (LVH) in the general population. This meta-analysis sought to compare the predictive value of different electrocardiographic criteria of LVH in the general population. METHODS:We comprehen...

journal_title：Journal of electrocardiology

authors： You Z,He T,Ding Y,Yang L,Jiang X,Huang L

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:Electrocardiogram (ECG) screening in athletes enhances the detection of conditions associated with sudden cardiac death (SCD), but concerns remain for false positive results when conducted outside of specialized centers. This study compared ECG interpretation in college athletes between local physicians and ...

journal_title：Journal of electrocardiology

authors： Petek BJ,Drezner JA,Prutkin JM,Owens DS,Tran T,Harmon KG

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:Some patients with ongoing heart failure symptoms after treatment with cardiac resynchronization therapy (CRT) demonstrate QRS prolongation during exercise. We investigated whether the optimal CRT pacing configuration changes during dobutamine stress. METHODS:Seven patients undergoing CRT implantation under...

journal_title：Journal of electrocardiology

authors： Atwater BD,Jones WS,Loring Z,Friedman DJ

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:An association between paroxysmal supraventricular tachycardias (PSVT) and elevated cardiac troponin I (cTnI) has been reported in small studies, even in the absence of significant coronary artery or structural heart disease. We sought to explore the prognostic significance of elevated cTnI among patients pr...

journal_title：Journal of electrocardiology

authors： Ghersin I,Zahran M,Azzam ZS,Suleiman M,Bahouth F

更新日期：2020-01-01 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：BACKGROUND:Isolation of infract related artery and timely revascularisation remains vital in the setting of primary percutaneous coronary intervention. OBJECTIVES:To analyse the predictive value of ST-T changes in lead aVR in inferior myocardial infarction in terms of prognosis and timely risk stratification. METHODS...

journal_title：Journal of electrocardiology

authors： Gaballa A,Farid W,Al-Kersh A,Rajan R,Al Jarallah M

更新日期：2019-01-01 00:00:00

abstract：:Here we report the identification of two novel mutations in a previously asymptomatic young man who suffered an out-of-hospital sudden cardiac arrest. During following evaluation, diagnosis of early stage dilated cardiomyopathy was established, while electrocardiogram monitoring showed frequent complex ventricular arr...

journal_title：Journal of electrocardiology

authors： Monaco I,Santacroce R,Casavecchia G,Correale M,Bottigliero D,Cordisco G,Leccese A,Di Biase M,Margaglione M,Brunetti ND

更新日期：2019-01-01 00:00:00

abstract：:The classic electrocardiographic (ECG) manifestation of stage I of acute pericarditis is diffuse ST elevation and PR depression with ST depression in lead aVR. One of the most common conditions, that is often confused with acute pericarditis, is the benign diffuse ST elevation, termed "early repolarization with ST ele...

journal_title：Journal of electrocardiology

authors： Birnbaum Y,Perez Riera AR,Nikus K

更新日期：2019-01-01 00:00:00

abstract：BACKGROUND:Ventricular arrhythmias and sudden cardiac deaths are the most common cause of mortality in patients with end-stage renal disease (ESRD). Index of cardiac-electrophysiological balance (iCEB) (QT/QRS) may predict malignant ventricular arrhythmias. In this study, we investigated whether iCEB value is increased...

journal_title：Journal of electrocardiology

authors： Sivri S,Çelik M

更新日期：2019-01-01 00:00:00

abstract：:Brugada phenocopies are clinical entities characterized by electrocardiographic patterns that are identical to true Brugada syndrome, but are elicited by a number of clinical circumstances. ECG normalizes upon resolution of underlying condition, family history of arrhythmic syncope or ventricular arrhythmias is strict...

journal_title：Journal of electrocardiology

authors： Lippolis A,Buzzi MP,Romano IJ,Facchini C,Gentile F

更新日期：2019-01-01 00:00:00

abstract：OBJECTIVE:To determine the effect of exercise and heart rate on the early repolarization (ER) pattern; focusing on the new criteria for identification of ER. METHODS:The ECG measurements on the terminal QRS notch or slur found in early repolarization were quantitated before, during and after exercise; specifically: (i...

journal_title：Journal of electrocardiology

authors： Nouraei H,Rabkin SW

更新日期：2019-01-01 00:00:00

abstract：BACKGROUND:Brugada syndrome (BrS) is an inherited ion channelopathy that may predispose affected individuals to atrial cardiomyopathy. We tested the hypothesis that BrS patients have higher degrees of atrial electrophysiological abnormalities compared to controls, and these can be reflected by changes in P-wave paramet...

journal_title：Journal of electrocardiology

authors： Tse G,Reddy S,Chopra J,Lee S,Liu T,Bazoukis G,Haseeb S,Lee APW,Letsas KP,Li KHC

更新日期：2019-01-01 00:00:00

abstract：:The de Winter electrocardiogram (ECG) pattern may signify proximal left anterior descending artery (LAD) occlusion and was suggested to be managed as ST-segment elevation myocardial infarction (STEMI) equivalent for urgent angiography and reperfusion therapy. However, cardiac catheter laboratory is not readily or time...

journal_title：Journal of electrocardiology

authors： Xu W,Xu L,Peng J,Huang S

更新日期：2019-01-01 00:00:00

abstract：INTRODUCTION:The mechanisms of torsade de pointes tachycardia (TdP) are incompletely understood. We aimed to investigate the mechanisms underlying TdP tachycardia in patients with spontaneous high-degree atrioventricular block (AVB). METHODS AND RESULTS:This retrospective study reviewed old TdP recordings after ventri...

journal_title：Journal of electrocardiology

authors： Fontaine GH,Li G,Saguner AM,Frank R

更新日期：2019-01-01 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：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：: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：:We report a case of ST segment elevation and PR depression in inferolateral leads in a patient with small bowel occlusion and gastric distension that disappeared immediately after gastric evacuation. Contrary to prior reports, we believe that these ECG changes do not represent an intrinsic cardiac electrical abnormali...

journal_title：Journal of electrocardiology

authors： Mărgulescu AD,Rees E,Richley D,Thomas DE,Smith D

更新日期：2019-01-01 00:00:00

abstract：BACKGROUND:Accurate measurement of QRS complex duration (QRSd) remains crucial for the selection of patients for cardiac resynchronization therapy (CRT). However, assessment of QRSd on conventional surface electrocardiograms (ECG), especially when performed without computer assistance, may be challenging due to the lim...

journal_title：Journal of electrocardiology

authors： Caro-Codón J,Rey JR,Díaz Cruz J,Martínez Marín LA,García de Veas Marquéz JM,Castrejón S,Martínez Cossiani M,Rodríguez Sotelo L,López-Sendón JL,Merino JL

更新日期：2019-01-01 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：:RBBB tachycardia with NW axis is considered to be VT unless proved otherwise. However underlying conduction system disease can produce electrocardiographic patterns suggestive of bundle branch block with extreme left axis which can cause difficulty in differentiating VT from SVT as in this case. ...

journal_title：Journal of electrocardiology

authors： Nair KKM,Namboodiri N,Abhilash SP,Valaparambil A

更新日期：2018-01-01 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：:A 21year old gentleman was admitted with shortness of breath and heart failure. He was noted to have incessant supraventricular tachycardia which was refractory to pharmacological and electrical cardioversion. Electrophysiology study revealed focal atrial tachycardia from an unusual location which was successfully abl...

journal_title：Journal of electrocardiology

authors： Nair KKM,Namboodiri N,Gopalakrishnan A,Abhilash SP,Valaparambil A

更新日期：2018-01-01 00:00:00

abstract：BACKGROUND:We aimed to evaluate possible association between QRS duration (QRSD), R wave peak time (RWPT), and coronary artery disease severity identified using the SYNTAX score (SS) in patients with unstable angina pectoris (USAP) or non-ST segment elevation myocardial infarction (NSTEMI). METHOD:A total of 176 USAP/...

journal_title：Journal of electrocardiology

authors： Rencüzoğulları İ,Çağdaş M,Karakoyun S,Karabağ Y,Yesin M,Artaç İ,İliş D,Selçuk M,Öterkuş M,Tanboğa Hİ

更新日期：2018-01-01 00:00:00

abstract：BACKGROUND:Patients hospitalized for suspected acute coronary syndrome (ACS) are at risk for transient myocardial ischemia. During the "rule-out" phase, continuous ECG ST-segment monitoring can identify transient myocardial ischemia, even when asymptomatic. However, current ST-segment monitoring software is vastly unde...

journal_title：Journal of electrocardiology

authors： Pelter MM,Xu Y,Fidler R,Xiao R,Mortara DW,Xiao H

更新日期：2018-01-01 00:00:00

abstract：BACKGROUND:The prevalence and determinants of QRS transition zones are not well established. METHODS:We examined the distributions of Normal, clockwise (CW) and counterclockwise (CCW)) QRS transition zones and their relations to disease, body size and demographics in 4624 black and white men and women free of cardiova...

journal_title：Journal of electrocardiology

authors： Prineas RJ,Zhang ZM,Stevens CE,Soliman EZ

更新日期：2018-01-01 00:00:00