Abstract
Since 1999, PhysioNet (http://physionet.org/) has offered free access via the web to large collections of recorded physiologic signals and medical databases as well as associated open-source software. The intention of this scientific resource is to stimulate current research and new investigations in the study of cardiovascular and other complex biomedical signals. PhysioBank archives include today the records obtained from healthy individuals and from patients with different diagnoses obtained under various conditions. It includes sudden cardiac death, congestive heart failure, neurological disorders, epilepsy and many others. Software packages PhysioToolkit is valuable for physiological signal processing and analysis, for creation of new databases, the interactive display and characterization of signals, the simulation of physiological and other signals. Nonetheless, a researcher should have skills to work with the operating system Unix and be knowledgeable in special commands to successful use software PhysioToolkit. Therefore, it makes sense to convert the necessary signals to a user-friendly computer algebra system. This paper describes interface elements of scientific web-resource PhysioNet, the simple methods of converting from binary medical data files to the text format and import of received digital signals into computer mathematics system Maple 17.
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