Jos L. Willems

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A large international co-operative project, sponsored by the European Commission, was launched in 1980 aimed at developing common standards for quantitative electrocardiography. The first and main objective of the project was to reduce the wide variation in wave measurements currently obtained by electrocardiographic computer programs. To this end a(More)
The use of computers for the interpretation of the resting electrocardiogram (ECG) is critically reviewed. After a short description of the motives for the application of computers in this field, the processes that are sequentially executed in an ECG data processing system are critically analyzed, i.e., the acquisition and transmission of signals; the wave(More)
To evaluate intra- and interobserver variability of an on-line quantitative coronary angiographic system, 2 independent observers measured 166 primary lesions excluding total occlusions before and after coronary angioplasty. Each observer repeated his measurement 3 times at 14 days interval. The average percent diameter stenosis results obtained by observer(More)
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