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Simplified action potential ??minimal?? models, whilst not being able to explain the ionic mechanisms of cardiac action potential, can be useful for cardiac simulation purposes if the model possesses certain basic properties. In this work, we have analyzed one of these ??minimal models?? (the Bueno model) to investigate its ability to simulate ischemia. We modified the model by adding a new ischemic...
This paper presents a portable monitoring system for ECG data. The system consists of an iMote2 with its sensor board (a platform from Intel Research), a custom ECG board, and a Bluetooth module capable of transmitting information to a smart phone. The iMote2 has the task of contextualizing the ECG data by adding not only accelerometer data, but ambient information as well. The integration of a subjectpsilas...
The recently developed echocardiographic matrix array transesophageal (mTEE) transducer provides real-time 3D images of high spatial and temporal resolution that may be suitable for detailed simultaneous study of functional anatomy of the mitral and aortic valves. We developed software that detects and tracks throughout the cardiac cycle mitral and aortic annuli (MA and AoA) and tested it in 15 patients...
A PC-based system for 2-D echocardiography image processing is presented. The system provides real time frame grabbing, image processing and picture archiving. Echocardiographic tracings stored on video-tape are played-back and several images can be digitized. Frame grabbing is ECG (electrocardiogram) gated. Image processing consists of image enhancement by noise cleaning filtering and ventricular...
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