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Backpack or school bag weight carried by children has raised concerns in worldwide countries over recent decades. School going children face a major problem because of the heavy weight they carry to school everyday as it leads to many problems such as a bent posture and decreased work efficiency. The prescribed weight to be carried by children has been determined to be 10-15% of their body weight;...
CardioBip (CB) is a hand-held patient-activated device for recording and wireless transmission of reconstructed 12-lead ECG (12CB) based on patient specific matrices. It has 5 contact points: 3 precordial and 2 on the device top serving as limb leads when touched by index fingers. To determine whether CB could be used to monitor coronary disease (CAD) patients, we compared 12CB to simultaneous 12-lead...
We developed BEATS (Beat Editing And Tracking Software), an interactive program to extract beat-to-beat information about the QRST complex. It is aimed at recordings of intermediate length, typically 20 minutes, corresponding to an average exercise ECG. BEATS accepts any 8-channel ECG recording which is then converted into a 3-channel vectorcardiographic X, Y, Z representation and the spatial velocity...
An exercise test delivers a large number of measurements that are valuable in risk prediction, in detecting coronary artery disease, and in describing the functional exercise response of a patient. However, it is difficult to have comprehensive knowledge of all measurements and their thresholds. The Exercise Test Interpretation (XTI) program compares exercise measurements against established thresholds...
The electrocardiogram (ECG) is one of the most frequently used vital sign in ubiquitous healthcare. In many applications, the standard 12-lead ECG is desirable for monitoring both arrhythmia and acute coronary syndrome. Wei et al [1, 2] has developed a method for deriving standard 12-lead ECG from four-lead ECG so that the 12-lead ECG can be monitored in a ubiquitous environment. However, in multi-lead...
The amount of QT-RR interval hysteresis accumulated during the load and recovery phases of exercise stress test reflects the degree of exercise induced myocardial ischemia. Therefore the evaluation of hysteresis from 12-lead ECG (12-SL) is an important practical modality for the assessment of severity of coronary artery disease. Commercial QT and RR waveform analyzers are regularly subjected to interval...
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