Duarte Correia

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OBJECTIVE To compare the efficacy, safety and morbidity of surgical versus percutaneous atrial septal defect (ASD) closure. POPULATION AND METHODS We studied all cases of ASD closure (surgical or percutaneous) performed in our hospital during the last 5 years. We analyzed the clinical and echocardiographic characteristics of both groups and compared the(More)
An optimized three-lead ECG hierarchial decision-tree type of classification system for myocardial infarction is presented. For selection of the best threshold values for each criterion and the best association of features, we developed a procedure based on "receiver operating characteristic" (ROC) curve data analysis and information theory. Optimization(More)
After a brief review of computer assisted ECG interpretation techniques, a microcomputer-based system for off-line ECG (Frank) analysis and interpretation developed at the University of Porto is presented. The program is menu-structured and includes report correction and editing facilities. Clinical data can be stored along with the ECG in the individual(More)
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