Parasystole simulating ventricular bigeminy with Wenckebach-type coupling prolongation.

abstract：:Precordial electrocardiographic leads V1, V2, V5, V6, and limb leads I and II were recorded simultaneously utilizing radio transparent electrodes and wire leads during coronary angiography in 35 patients with obstructive coronary disease and in 17 subjects with normal coronary angiograms. The pattern of electrocardiog...

journal_title：Journal of electrocardiology

authors： McCans JL,Castillo HT,Swanick EJ,Marriott HJ

更新日期：1976-01-01 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：: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：:Serial electrocardiograms (ECGs) of 49 patients receiving adriamycin were analyzed for the development of persistent changes. The ECG changes were compared with those of a control group of 20 patients receiving other chemotherapeutic drugs, which were comparable to the additional chemotherapy received by the adriamyci...

journal_title：Journal of electrocardiology

authors： Weaver SK,Fulkerson PK,Lewis RP,Leier CV

更新日期：1978-07-01 00:00:00

abstract：:To assess the prognostic significance and the clinical implications of the electrocardiographic findings of the first acute myocardial infarction, the in-hospital mortality and complications and three-year follow-up of 180 patients were analyzed. The patients were divided according to the infarction type (transmural, ...

journal_title：Journal of electrocardiology

authors： Aysha MH,Shayib MA

更新日期：1985-10-01 00:00:00

abstract：BACKGROUND:Several parameters of heart rate variability (HRV) have been shown to predict the risk of sudden cardiac death (SCD) in cardiac patients. There is consensus that risk prediction is increased when measuring HRV during specific provocations such as orthostatic challenge. For the first time, we provide data on ...

journal_title：Journal of electrocardiology

authors： Schäfer D,Nil M,Herzig D,Eser P,Saner H,Wilhelm M

更新日期：2015-07-01 00:00:00

abstract：:High-resolution (HI-RES) ECG analysis software and a new front end have been designed for a standard 12-lead ECG cart, MAC-12. The front end acquires orthogonal ECG at 1,000 samples/sec and 1.2 microV/bit and transmits to the cart. The HI-RES software delineates QRS complexes and correlates them with a template in fre...

journal_title：Journal of electrocardiology

authors： Reddy BR,Christenson DW,Rowlandson GI

更新日期：1988-01-01 00:00:00

abstract：:Previous studies indicate that the predictive value of atrial fibrillatory rate in patients undergoing cardioversion of atrial fibrillation (AF) of long duration is limited. The present study investigates signal entropy in this setting. Standard 12-lead electrocardiograms (ECGs) were recorded from 66 consecutive patie...

journal_title：Journal of electrocardiology

authors： Petersson R,Sandberg F,Platonov PG,Holmqvist F

更新日期：2011-03-01 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：: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：: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：: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：: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

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：:In the last 10 years the molecular substrate of a diversity of primary electrical diseases has been unraveled. Disease-causing mutations in ion-channel genes have been identified and have challenged clinical and basic electrophysiologists to mechanistically link the observed genetic aberrancies to the phenotype. Indee...

journal_title：Journal of electrocardiology

authors： Wilde AA,van den Berg MP

更新日期：2005-10-01 00:00:00

abstract：:The purpose of the present study is to assess QT-interval measurements from the EASI 12-lead electrocardiogram (ECG) as compared with the standard 12-lead ECG. The QT interval was automatically determined in simultaneously recorded standard and EASI 12-lead ECGs, using a validated wavelet-based delineator. The agreeme...

journal_title：Journal of electrocardiology

authors： Martínez JP,Laguna P,Olmos S,Pahlm O,Pettersson J,Sörnmo L

更新日期：2007-04-01 00:00:00

abstract：:A patient who had chronic coarse atrial fibrillation developed severe hyperkalemia accompanied by total loss of fibrillatory waves while an irregularly irregular ventricular rhythm persisted. Correction of hyperkalemia resulted in prompt return of coarse atrial fibrillation. This sequence of events renders strong supp...

journal_title：Journal of electrocardiology

authors： Bashour TT,Cheng TO

更新日期：1975-01-01 00:00:00

abstract：:In order to differentiate posterior (posterolateral) myocardial infarction (PMI) from the anterior shift of the QRS loop in "normal variant" cases using a vectorcardiogram, the T loop as well as the QRS loop in the transverse plane (TP) were analyzed in 34 elderly Japanese males with angiographically-proven PMI and in...

journal_title：Journal of electrocardiology

authors： Takatsu F,Osugi J,Nagaya T,Uwatoko M,Watabe S,Ishikawa H

更新日期：1986-04-01 00:00:00

abstract：OBJECTIVES:To define clinical correlates of low voltage isolated to precordial leads on the surface electrocardiogram (ECG). INTRODUCTION:Low voltage (V) on the ECG is defined as QRS V<5mm in all limb leads and <10mm in all precordial leads. The diagnostic use of ECGs with low voltage isolated to the precordial leads ...

journal_title：Journal of electrocardiology

authors： Kim DH,Verdino RJ

更新日期：2017-01-01 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：: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：:A common basis of orthogonal waveform functions was derived from 128 lead body surface potential maps of 405 subjects. Twelve such orthogonal functions or frames were adequate for reconstruction of original ECGs from the beginning of QRS to the end of T. A larger number of frames (18) was required when basis functions...

journal_title：Journal of electrocardiology

authors： Kornreich F,Rautaharju PM,Warren JW,Horacek BM,Dramaix M

更新日期：1985-10-01 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：:Catheter ablation procedures are performed by highly trained and experienced cardiology subspecialists. Yet the massive amount of data produced during these procedures creates a data overload problem that can impede the performance of even the best practitioners. This may be evidenced by (1) overlooking important sign...

journal_title：Journal of electrocardiology

authors： Tong DA,Widman LE

更新日期：1996-01-01 00:00:00

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：:While ST-segment elevation (STE) on ECG is widely recognized as representing myocardial infarction or injury such as coronary occlusion or pericarditis, STE may occasionally ensue from non-cardiac etiologies. Indeed, gastrointestinal disorders causing STE are not well documented in the literature. We present a case wh...

journal_title：Journal of electrocardiology

authors： Singh M,Sood A,Rehman MU,Othman M,Afonso L

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND:Possible similarities or differences in the ST- and PR-segment deviations in the electrocardiogram of takotsubo cardiomyopathy (TTC) and acute pericarditis (AP) are not well defined. METHODS:We compared different parameters of the admission electrocardiogram in eight patients with TTC and eight patients wit...

journal_title：Journal of electrocardiology

authors： Zhong-qun Z,Chong-quan W,Sclarovsky S,Nikus KC,Chao-rong H,Shan M

更新日期：2013-03-01 00:00:00

abstract：:Traditional electrocardiographic (ECG) and vectorcardiographic (VCG) criteria for left ventricular enlargement (LVE) understandably emphasize the increased tendency of the maximal electrical forces of ventricular depolarization to be directed toward the left. This tendency is manifested on the ECG by increased amplitu...

journal_title：Journal of electrocardiology

authors： Warner RA,Hill NE

更新日期：1987-10-01 00:00:00

abstract：PURPOSE:Recent research has established that a tall R-wave in V1 indicates lateral wall involvement in non-anterior wall myocardial infarction (MI). The objective of this study was to assess the value of the admission electrocardiogram (ECG) to predict R-waves and consequently lateral wall damage in the late phase of n...

journal_title：Journal of electrocardiology

authors： Norda S,van der Weg K,Vos R,Gorgels AP

更新日期：2015-07-01 00:00:00

abstract：:Although solid angle analysis has been considered to be reasonable for explaining the distribution of ST segment deviation following ischemia, it has not been tested fully, especially for ST segment changes in various sites at different lead surfaces. Thus, we investigated the applicability of solid angle theory to th...

journal_title：Journal of electrocardiology

authors： Maehara K,Kyono H,Kitaoka S,Shimizu Y,Maruyama Y,Ashikawa K,Ino-Oka E,Takishima T

更新日期：1986-07-01 00:00:00