Calvin A. Perumalla

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We are designing an integrated wireless Vectorcardiogram (iVCG) that is of diagnostic quality, extremely small form factor, and is placed on the chest of the patient. In this paper, we consider the problem of transforming the three VCG component signals to the familiar 12-lead ECG for the convenience of cardiologists. We used an adaptive signal processing(More)
We are designing an integrated wireless Vectorcardiogram (iVCG) that is portable and placed on the chest of the patient and is capable of recording and transmitting cardiac rhythm signals. We present a solution to the problem of transforming the three VCG component signals to the familiar 12-lead ECG for the convenience of cardiologists. The least squares(More)
This paper presents the proof-of-concept investigation for a miniaturized vectorcardiogram [VCG] system for ambulatory on-body applications that continuously monitors the electrical activity of the heart in three dimensions. We investigate the minimum distance between a pair of leads in the X, Y and Z axes such that the signals are distinguishable from the(More)
In this paper, we propose a wireless Communicator to manage and enhance a Cardiac Rhythm Management System. The system includes: (1) an on-body wireless Electrocardiogram (ECG), (2) an Intracardiac Electrogram (EGM) embedded inside an Implantable Cardioverter/Defibrillator, and (3) a Communicator (with a resident Learning System). The first two devices are(More)
Atrial fibrillation (AF) is the most common cardiac arrhythmia and is associated with an increased risk of stroke and mortality. Research into the prediction of AF onset has been motivated by the necessity to develop better pacing therapy to reduce the incidence of AF and maintain the heart's normal sinus rhythm. In this paper, we address a similar problem(More)
We are designing an integrated wireless Vectorcardiogram (iVCG) that is portable and worn on the chest of the patient and is capable of continuously recording and transmitting the heart vector, which is a comprehensive measure of the electrical activity of the heart. The VCG contains the same information as the classic electrocardiogram (ECG). Although a(More)
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