نتایج جستجو برای: premature ventricular contraction
تعداد نتایج: 256713 فیلتر نتایج به سال:
In order to determine the role of the coupling interval of a premature ventricular contraction (PVC) in the development of paroxysmal ventricular tachycardia (PVT) during the early phase of acute myocardial infarction in man, 52 male patients with documented acute myocardial infarction had 24-hour Holter monitoring commenced within 24 hours of the onset of prolonged chest pain. Review of the ta...
This paper illustrates the use of a combined neural network model for classification of electrocardiogram (ECG) beats. We present a trainable neural network ensemble approach to develop customized electrocardiogram beat classifier in an effort to further improve the performance of ECG processing and to offer individualized health care. We process a three stage technique for detection of prematu...
In order to determine the role of the coupling interval of a premature ventricular contraction (PVC) in the development of paroxysmal ventricular tachycardia (PVT) during the early phase of acute myocardial infarction in man, 52 male patients with documented acute myocardial infarction had 24-hour Holter monitoring commenced within 24 hours of the onset of prolonged chest pain. Review of the ta...
A premature ventricular contraction (PVC) is relatively a common event where the heartbeat is initiated by the other pathway rather than by the Sinoatrial node, the normal heartbeat initiator. Determining PVC foci is important for ablation procedure and it can help in pre-procedural planning and potentially may improve ablation outcome. In this study, 12-lead Electrocardiogram (ECG) of 87 patie...
BACKGROUND Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a significant cause of sudden cardiac death in the young. Improved noninvasive assessment of ARVC and better understanding of the disease substrate are important for improving patient outcomes. METHODS AND RESULTS We studied 20 genotyped ARVC patients with a broad spectrum of disease using electrocardiographic imaging (a met...
Abstract Background Premature ventricular complex (PVC) is common in general population. The atrial conduction time (ACT) represents the interval between electrocardiographic P wave and mechanical contraction, prolongation of ACT called electromechanical delay (EMD). In present study, we investigated parameters through echocardiography patients with frequent PVC. Methods study involved 54 PVC h...
OBJECTIVES We sought to clarify the prevalence and characteristics of idiopathic ventricular tachycardia or premature ventricular contraction originating from the mitral annulus (MAVT/PVC). BACKGROUND Recent case reports have presented patients with MAVT/PVC. METHODS Electrocardiographic (ECG) characteristics and the results of electrophysiologic investigation and radiofrequency catheter ab...
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