D.D. Ionescu

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Background. A substantial advance in digestive endoscopy that has been made during the last decade is represented by digital chromoendoscopy, which was developed as a quicker and sometimes better alternative to the gold standard of dye spraying. Fujifilm developed a virtual coloration technique called Flexible spectral Imaging Color Enhancement (FICE). FICE(More)
Since its initial description, a number of studies have described the use of microvolt T-wave alternans (MTWA) as a predictor of the primary or secondary occurrence of ventricular arrhythmic events. These studies, however, have been limited by small sample sizes and disparate patient populations. Studies of MTWA in post-myocardial infarction (MI) patients(More)
Signal averaged electrocardiogram (SAECG) is a well-established noninvasive method of exploration in patients at risk for sudden cardiac death. The time-domain SAECG analysis has a set of well-defined standards, including the value of accepted noise level. In very rare instances, the final noise level appears to remain unacceptably high even after carefully(More)
At the beginning of the 21st century the hypopharynx and the cervical esophagus cancer represents a major issue for all countries of the world. The epidemiology of the hypopharynx and cervical esophagus cancer deals with the spread of the disease in the human population with regard to sex, age, profession, time and space, as well as risk factors that(More)
  • T C Lethbridge, R L Probert, J Raymond, D Gibbons, D Ionescu, L Orozco-Barbosa +1 other
  • 1998
The University of Ottawa has recently established a new undergraduate program in software engineering. In this paper we review how we resolved several issues that were raised during the development of the program. These key issues are: a) How should the program be made distinct from computer science and computer engineering programs? b) What should be the(More)
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