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[The use of an integrable mobile full text processing systems (author's transl)].

A mobile full text processing system is reported which is independent of a computer, yet can be completely integrated into a data processing system and is purely a storage and retrieval system for data files and data banks which, with relatively little activity ratio of the individual items of information stored, still have an unusually large, widely ramified indexing depth. Acquisition of material, storage and retrieval of information are so simplified in favor of the user, that they can be carried out without specially qualified data processing personnel, but by normal office staff and one's own colleagues after a simple short instruction. The favorable cost makes the system an alternative worth considering in many cases, because fully automatic documentation or system concepts which need digital storage of large quantities of text demand so much intellectual expense and electronic storage capacity, that they are already prohibitive on grounds of cost alone.

Costs and Cost Analysis

MIST: a medical information storage system.

A simple but flexible storage and retrieval system for medical data is described. It functions by providing the user with a proven set of FORTRAN IV subroutines. It has been found that for a wide range of clinical data processing the user only needs to apply three FORTRAN subroutines.

Computers

An outline for the analysis of dementia. The memory disorder of Huntingtons disease.

Methods have been developed for assessing the cognitive parameters contributing to a memory disorder. Our findings suggest that individuals with Huntington disease have impairments in the encoding of new information and the consistent retrieval from storage of learned material. Their difficulties lie particularly in the realm of episodic memory.

Adult

Physostigmine: improvement of long-term memory processes in normal humans.

Nineteen normal male subjects received 1.0 milligram of physostigmine or 1.0 milligram of saline by a slow intravenous infusion on two nonconsecutive days. Physostigmine significantly enhanced storage of information into long-term memory. Retrieval of information from long-term memory was also improved. Short-term memory processes were not significantly altered by physostigmine.

Acetylcholine

The pattern of memory loss resulting from intravenously administered diazepam.

A word recognition task was designed to determine the stage in memory affected by a single 10-mg intravenous injection of diazepam and the duration of the effect. Injection in three experimental subjects produced an anterograde amnesia for the 14 to 24-minute period immediately after injection. Memory loss resulted from impaired storage, the stage during which information is entered into memory. Retention and retrieval stages of memory were unaffected. This temporary amnesia may result from increased inhibition in the hippocampal system produced by diazepam, which shares many properties with the inhibitory neurotransmitter gamma-aminobutyric acid.

Amnesia

A dynamic graph for documentation of gestational age.

A graphic format is presented for the display and storage of data relating to gestational age. The graph permits rapid retrieval and synthesis of often confusion information and is thereby useful in the management of complicated pregnancies.

Female

On-line computer storage, retrieval, and reporting of coded angiographic data.

Interpretations of angiographic images have been coded and stored using an on-line computer terminal for seven years. Decoded angiographic information is incorporated in computer-generated reports which are printed on demand after completion of cardiac catheterization procedures. Currently, almost 5,500 cases are stored in an off-line data base which has been designed to help identify patterns with prognostic potential. Also, the program has helped standardize angiographic nomenclature, saved much clerical time, and virtually eliminated clerical errors. The program interacts with other software in the hospital, avoiding repetitious entries. The advantages and shortcomings of the program and commonly used approaches to computer storage/retrieval of radiographic information are described.

Angiography

A computer system automatic analysis of vectorcardiograms.

This computer system performs the analysis of orthogonal electrocardiograms for vectorcardiographic (VCG) display and classification. The data acquisition can be performed 'on-line' with the complete analysis in 'real-time', or off-line by processing a magnetic tape. The original computational methods for beat averaging and wave recognition are described. Some features, such as the quality of the visual display of the VCG traces, the availability of a measurement matrix allowing the quantitative analysis of the VCG and the use of a data bank for storage, retrieval and statistical studies make this system very efficient for clinical purposes, introducing the concept of 'Computer Assisted Vectorcardiography'.

Diagnosis, Computer-Assisted

Gas chromatographic-mass spectrometric-computer methods in the study of drug metabolism.

The computer-assisted interpretation of repetitively scanned mass spectra can be of great value in the analysis of a complex mixture even in the absence of a library of reference spectra. We have written a set of interpretation programs for a PDP11/45 laboratory computer. A file structure is used that combines economy of storage with ease of creation and retrieval. User interaction is by a simple command language implemented by an interpreter. The program structure is such that additional functions can be added easily.

Chromatography, Gas

An interactive toxicological data handling system for a PDP-12 computer.

This paper describes a program developed for the cataloguing, storage and retrieval of toxicological data. The user can, through dialogue with the program, enter and update data, and request reports with statistical analyses. The system is written in the FOCAL-12 language for a PDP-12 laboratory computer, and is suitable for a larger number of moderately-sized experiments.

Computers

Computer assisted monitoring in intensive medicine.

Intensive Medicine is always associated with the problem of handling the mass and assuring the quality of information on vital signs, fluid and blood balance, laboratory data, physiological calculations, etc., required in patient care. A computer based monitoring system for intensive care was introduced in 1973 at the Academic Hospital in Leuven. The basic software was developed at the Peter Bent Brigham Hospital of the Harvard Medical School and the medical division of the Hewlett Packard Company; the computer used was a H.P. 2100 central processor with 32K of core memory. Initially, the program allowed mainly acquisition, storage and retrieval of bedside monitored and manual data of cardiac and circulatory function. Very soon however, the software was extended and modified by the division of "Medical Informatics" in order to meet new or different requirements. In the present situation our vision on the use of computer-assisted monitoring has changed and our present program has been extended as follows : 1. On-line collection and retrieval of bedside monitored data including heart rate, arterial blood pressure (systolic-diastolic-mean) left atrial pressure, central venous pressure, pulmonary artery pressure, intracranial pressure. Trend analysis of those data, with calculation of mean values, standard variation and corresponding t-tests. 2. Computer assistance in performing time consuming calculations on off-line data such as : -- clearance-values (renal function), -- temperature-correction of blood-gasvalues, -- hour-to-hour fluid balance, including calculation of in-sensible losses, -- blood-balance. 3. Data transmission of laboratory results as soon as available in the central laboratory through a direct link between laboratory and I.T.U. 4. Computer assisted E.C.G. analysis. The three first objectives are realised, on-line E.C.G.-analysis is being developed. The same computer serves the remotely located medical and coronary care units and one bed in the emergency department. An assessment of computer assistance in intensive therapy, on nursing labor and on quality of patient care is made.

Clinical Laboratory Techniques

Microfilm storage of fetal monitoring records: a practical solution.

Microfilming of fetal monitoring records has, at our institution, been found to be a practical method for storage of recording papers from fetal monitoring. This system permits a reduction of the records by a factor of 20:1 and up to 7.64 hours of fetal monitroing records will fit into a 4 x 6 inch film jacket. This microfilm record can easily be placed into a patient's chart and can thus easily be retrieved.

Fetal Monitoring

Advances in radiologic reporting with Computerized Language Information Processing (CLIP).

Computerized Language Information Processing (CLIP) is a system of radiologic reporting in which the user interacts with a computer keyboard and cathode-ray tube terminal to generate coded reports. The hierarchical medical classification on which the code is based permits rapid on-line compilation of reports of any degree of complexity. The system provides organized sets of pre-assembled statements that are rapidly accessed and modified for each examination. Although the reports are printed in English, they are held in the computer as a succinct code that is eminently suited for permanent storage and rapid retrieval.

Classification