Intermittent ventricular parasystolic bigeminy accompanied by reentrant ventricular extrasystoles.

abstract：:Hypertrophic cardiomyopathy (HCM) have been reported to display impaired heart rate variability, although little is known regarding its prognostic value. By using fast Fourier transformation of 24-hour Holter recordings in 73 HCM patients at a stable clinical condition, we computed 4 spectral components: very low freq...

journal_title：Journal of electrocardiology

authors： Kawasaki T,Azuma A,Sakatani T,Hadase M,Kamitani T,Kawasaki S,Kuribayashi T,Sugihara H

更新日期：2003-10-01 00:00:00

abstract：:Symptoms of syncope and palpitations are not uncommon in children with and without heart disease. They present a diagnostic dilemma when conventional cardiovascular testing is inconclusive. The implantable loop recorder (ILR) has been shown to play an important role in diagnosing recurrent syncope in adult patients. I...

journal_title：Journal of electrocardiology

authors： Bloemers BL,Sreeram N

更新日期：2002-01-01 00:00:00

abstract：:Pulmonary vein isolation (PVI) using cryoballoon (CB) technique and cavotricuspid isthmus (CTI) ablation using radiofrequency (RF) are established interventions for drug-resistant atrial fibrillation (AF) and typical atrial flutter (AFL). Twelve patients with a mean age of 62 ± 12 years underwent simultaneous delivery...

journal_title：Journal of electrocardiology

authors： Peyrol M,Sbragia P,Ronchard T,Cautela J,Villacampa C,Laine M,Bonello L,Thuny F,Paganelli F,Lévy S

更新日期：2015-07-01 00:00:00

abstract：:Quantitative analysis of ST-segment deviations (STdev) and their resolution by treatment (STR; calculated from a combined sum of STdev in multiple leads) are used in trials on reperfusion for myocardial infarction (MI). Unreadable or unavailable electrocardiogram (ECG) leads are a common reason for exclusion, decreasi...

journal_title：Journal of electrocardiology

authors： Kaluzay J,Vandenberghe K,Fontaine D,Herbots L,Anné W,Van de Werf F,Heidbüchel H

更新日期：2003-07-01 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：: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：: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：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：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：: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：:Left ventricular (LV) dysfunction after myocardial infarction is associated with higher risk of serious ventricular arrhythmias and sudden death. We suspected that heterogeneity in ventricular repolarization contributes to these arrhythmias. To quantify this heterogeneity, we measured the recovery time (the interval b...

journal_title：Journal of electrocardiology

authors： Mine T,Shimizu H,Inazumi T,Iwasaki T

更新日期：2003-01-01 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：:The authors present a patient who initially underwent anterior approach atrioventricular (AV) nodal modification for treatment of typical AV junctional reentrant tachycardia (AVJRT) and subsequently developed clinical episodes of a previously undocumented type of supraventricular tachycardia. Findings during electroph...

journal_title：Journal of electrocardiology

authors： Goldberger J,Ehlert F,Baerman J,Kadish A

更新日期：1994-01-01 00:00:00

abstract：:A 53-year-old man with myocardial infarction was found to have frequent premature ventricular beats. The predominant pattern was classical concealed trigeminy; i.e., the number of conducted sinus beats, S, between extrasystoles satisfied the equation S = 3n + 2, where "n" is zero or any positive integer. Two other tra...

journal_title：Journal of electrocardiology

authors： Medeiros CM,Medeiros NP,de Nonohay NC,Rodrigues R

更新日期：1985-10-01 00:00:00

abstract：BACKGROUND:We assessed the specificity of wide QRS complex tachycardia (WCT) differentiating algorithms in patients with preexistent left bundle branch block (LBBB) and heart failure. METHODS:Three hundred fourteen patients with resynchronization devices were retrospectively screened. electrocardiograms with supravent...

journal_title：Journal of electrocardiology

authors： Jastrzebski M,Kukla P,Czarnecka D,Kawecka-Jaszcz K

更新日期：2012-05-01 00:00:00

abstract：BACKGROUND:It is not always feasible to use standard electrode placement for limb leads when recording the 12-lead electrocardiogram (ECG). Other electrode placements have been accepted during monitoring. Nonstandard electrode positions, however, fail to produce waveforms identical to those recorded from the distal lim...

journal_title：Journal of electrocardiology

authors： Trägårdh-Johansson E,Welinder A,Pahlm O

更新日期：2011-03-01 00:00:00

abstract：:We studied the use of cardiac magnetic field mapping to detect patients with CAD without subjecting them to stress. Fifty-nine healthy control subjects and 101 patients with CAD without previous MI were included. The optimal positions for detecting CAD were located in the left superior parasternal and in the inferior ...

journal_title：Journal of electrocardiology

authors： Gapelyuk A,Wessel N,Fischer R,Zacharzowsky U,Koch L,Selbig D,Schütt H,Sawitzki B,Luft FC,Dietz R,Schirdewan A

更新日期：2007-09-01 00:00:00

abstract：:The Electrocardiogram has extensively been used for evaluation and triage of patients with acute chest pain. The clinician admitting a patient with ST elevation acute myocardial infarction should be able to estimate the size and location of the ischemic area at risk, how much of the ischemic myocardium has already und...

journal_title：Journal of electrocardiology

authors： Birnbaum Y,Ware DL

更新日期：2005-04-01 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：:T-wave alternans (TWA) on the electrocardiogram have been frequently associated with long QT syndrome (LQTS) and abrupt rate change. The present study investigated the effect of the potassium channel opener nicorandil on the repolarization alternans at the endocardium and the epicardium in the left ventricle. Electroc...

journal_title：Journal of electrocardiology

authors： Fujimoto Y,Kusano KF,Morita H,Hong K,Yamanari H,Ohe T

更新日期：2000-07-01 00:00:00

abstract：INTRODUCTION:Structural right atrial abnormalities have been described in patients with arrhythmogenic right ventricular cardiomyopathy (ARVC). However, little is known about electrocardiographic signs of atrial involvement in ARVC because no systematic studies have been conducted. METHODS:P-wave-triggered signal-aver...

journal_title：Journal of electrocardiology

authors： Platonov PG,Christensen AH,Holmqvist F,Carlson J,Haunsø S,Svendsen JH

更新日期：2011-03-01 00:00:00

abstract：:Percutaneous radiofrequency catheter ablation (RFCA) has a very high success rate for certain arrhythmias, such as Wolff-Parkinson-White syndrome and idiopathic ventricular tachycardias in the right ventricular outflow tract. These arrhythmias are typically characterized by a single site of arrhythmogenic tissue that ...

journal_title：Journal of electrocardiology

authors： Moorman JW,Melen RE,Skillicorn B,Solomon EG

更新日期：1994-01-01 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：:In this study it is analyzed by linear and non-linear methods, how the control of instantaneous heart rate (IHR) develops in infants in quiet and active sleep. Ten healthy and term newborns were studied during their first half year of life. Low (LF) and high frequency power (HF) of the spectrum, and the largest Lyapun...

journal_title：Journal of electrocardiology

authors： Patzak A

更新日期：1995-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Present methods to extract respiratory myogram interference (RMI) from the Holter-ECG and assess effect of supraventricular arrhythmias (SVAs) onto ECG-based detection of sleep-related breathing disorders (SRBDs) and AHI estimation. METHODS:RMI was quantified as residual energy after ECG cancell...

journal_title：Journal of electrocardiology

authors： Maier C,Dickhaus H

更新日期：2014-11-01 00:00:00

abstract：:Extra AV nodal Wenckebach periodicity was diagnosed in seven patients. The most frequent form of this conduction abnormality was an exit block. The underlying block was localized in the sinoatrial junction and in the atria in two patients; the AV junction and the ventricle were the site of the Wenckebach periodicity i...

journal_title：Journal of electrocardiology

authors： Schweitzer P,Choudhry M,Kunkes SH,Ress R,Mark H

更新日期：1981-07-01 00:00:00

abstract：:The ECG phenomena in 20 outpatients (121 episodes) suffering from variant angina with transient ST segment elevation greater than 1.5 mm. (Prinzmetal angina) were studied by Holter monitoring. The most important changes in the ECG morphology were: a) increased height of the R wave in all cases, b) the S wave decreased...

journal_title：Journal of electrocardiology

authors： Bayes de Luna A,Carreras F,Cladellas M,Oca F,Sagues F,Garcia Moll M

更新日期：1985-07-01 00:00:00

abstract：:Thoracic electromaps were recorded before and after sublingual nitroglycerin (NG) in 26 subjects 15 and 30 days after acute myocardial infarction (MI), in order to evaluate the effect of the drug on injury potentials. Ten patients with documented left ventricular aneurysm were also studied 5 to 46 months after acute M...

journal_title：Journal of electrocardiology

authors： De Ambroggi L,Landolina M,Todeschini P,Galdangelo F,Ravizza P

更新日期：1981-10-01 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：:The authors have proposed a new four-step screening algorithm to detect asymptomatic coronary artery disease (CAD) in flight school candidates, cadets, and rated flyers of the Unites States Air Force (USAF). In step 1, the USAF Armstrong Laboratory (USAF/AL) risk profile and improved 16-lead high-resolution electrocar...

journal_title：Journal of electrocardiology

authors： Selvester RH,Ahmed J,Tolan GD

更新日期：1996-01-01 00:00:00