[Automation of the analysis of surface cardiac signals for controlling heart rhythm].
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Biomedical subjects
Publications and source records attributed to T B Postnova.
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Using an information system, the authors compared the results of the examination of 169 patients with coronary heart disease and left coronary artery trunk lesions and of 605 patients without such lesions. The functioning of the system was controlled by a complex of programmes designed according to the modular principle. It comprises the following modules: modules of the formation and control of the data pool, modules of the formation of sub-pools according to a given set of signs and modules of data processing. The patients with coronary heart disease and a lesion of the left coronary artery trunk had a number of clinical characteristics including frequent and severe anginal attacks, a large zone of myocardial ischemia, a low exercise tolerance and a considerable depression of the ST segment on the ECG, as well as a long rehabilitation period.
The dialog informational system "Automatized pathology archives" is presented which allows an accumulation of data, search when requested regardless of the complexity of request and analysis of complications and causes of the cardiosurgical patients death in a selected set of documents. The system contains data about patients dying in the institute since 1956. The advantages of the dialog working regimen are stressed that permits a physician-investigator not having specific experience to use directly the data bank and system program. Some examples of the use of this system are given.
An information system on the results of clinical examination of patients with chronic ischemic heart disease is described. The bulk of information contains data on 590 patients who had undergone coronarography. A standarized chart of block structure of the comprehensive examination of the patient was used to obtain full and homogeneous information. With this information system large volumes of data may be grouped and stored, available whenever necessary, data may be selected from the overall material, and groups of patients may be formed according to some predetermined sign or complex of signs.
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An information system "Automatic pathological anatomy archive" has been created in the cardiac surgery center existing 22 years. A special card has been developed for resording of the results of morphological examinations and the main information on the patient, which is filled by the dissector after autopsy. Treatment of the data contained in the information mass stipulates an urgent search of the cases according to the set of data indicated in the request, interpretation of the content of unified cards for the selected cases, calculation of per cent ratios, etc. Realization of information systems in universal computers opens wide possibilities for principally new organization of pathological archives.
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