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As radio frequency (RF) catheter ablation becomes increasingly prevalent in the management of ventricular arrhythmia in patients, an accurate and rapid determination of the arrhythmogenic site is of important clinical interest. The aim of this study was to test the hypothesis that the inversely reconstructed ventricular endocardial current density(More)
Localization of the source of cardiac ectopic activity has direct clinical benefits for determining the location of the corresponding ectopic focus. In this study, a recently developed current-density (CD)-based localization approach was experimentally evaluated in noninvasively localizing the origin of the cardiac ectopic activity from body-surface(More)
Localization of the initial site of cardiac ectopic activity has direct clinical benefits for treating focal cardiac arrhythmias. The aim of the present study is to experimentally evaluate the performance of the equivalent moving dipole technique on noninvasively localizing the origin of the cardiac ectopic activity from the recorded body surface potential(More)
In this paper, a novel successive ECG telemetry monitoring prototype is developed to evaluate the effect of monitoring for those out-of-hospital patient who has serious arrhythmia and/or possesses the risk of sudden cardiac death (SCD). This system has such features as: real-time, continuous, telemetry monitoring, wide range, long distance, and long term(More)
Nine obese postmenopausal women aged 59&#x00B1;6.3 years having a body mass index of 35.2&#x00B1;2.0 kg/m<sup>2</sup> performed a 12-week training protocol three times a week. Each training session, lasting about 80 min, consisted of general warmup and stretching exercises, free-body exercises, exercises with small implements (clubs, dumbbells, medicine(More)
In this paper, we present a semantic feature language for knowledge representation and reasoning across different domains in concurrent engineering (CE). The proposed language utilizes a feature model which is depicted in two levels. First a unified and formal framework is presented for semantic features in CE. The presented semantic features are general(More)
CLASS (Communication Link Analysis and Simulation System) has been modified to predict the performance of digital video telemetry systems in remotely controlled spacecraft robotics applications where the communications link may be highly corrupted by RFI (radio frequency interference). Unlike previous functional type simulations which use statistical models(More)
Electromagnetic tracking, a non-fluoroscopic image navigation method most often used in minimally invasive therapy, has prominent advantages and features over the traditional X-ray radioscopy. Using two rotating coils and one 3-axis magnetic sensor, a novel 6 degree of freedom (DOF) electromagnetic tracking method is proposed in this paper. Two alternate(More)