Related Experiment Videos
A real-time data-logger system using an optical disk WORM for archiving continuous 12-lead ECG data during exercise
J N Froning1, V F Froelicher, M D Olson
1Long Beach VA Medical Center, CA 90822.
Journal of Electrocardiology
|January 1, 1988
Summary
A new exercise electrocardiogram (ECG) analysis program utilizes Write-Once-Read-Many (WORM) optical disk storage for comprehensive, long-term data archiving. This system enhances exercise ECG analysis with detailed patient data integration and robust storage capabilities.
Area of Science:
- Cardiology
- Biomedical Engineering
- Medical Informatics
Background:
- Exercise electrocardiogram (ECG) analysis programs have evolved significantly over 15 years, transitioning from mainframes to microcomputer systems.
- Previous systems faced limitations in data storage capacity and long-term archiving for comprehensive exercise tests.
Purpose of the Study:
- To develop and implement an advanced exercise ECG analysis program with enhanced data acquisition, storage, and retrieval capabilities.
- To create a robust, long-term digital archive of exercise ECG data for improved clinical analysis and research.
Main Methods:
- The program was rehosted onto Motorola MC68000 and Intel 80286 microprocessor systems.
- A Write-Once-Read-Many (WORM) optical disk data-logger system was integrated for simultaneous, continuous recording of all 12 ECG leads (12-bit A/D, 500 samples/sec) for up to 38 minutes.
- ECG data and patient information are archived on optical disks for off-line analysis on PCs or real-time replay.
- Patient medical histories and clinical information are stored in a separate applications database, linked with ECG measures and test results.
Main Results:
- The system successfully archives all 12 leads of ECG data simultaneously and continuously during exercise tests.
- Recorded ECG signals are at patient levels, allowing replay through standard commercial systems.
- The optical disk database currently holds over 600 complete exercise tests, with a projected growth to nearly 3,000 within two years.
Conclusions:
- The developed exercise ECG analysis program, utilizing WORM optical disk technology, provides a comprehensive solution for long-term data archiving and analysis.
- This system facilitates both on-line processing and off-line development, improving the efficiency and depth of exercise ECG evaluations.
- The integrated database enhances the ability to correlate clinical information with detailed ECG findings from a growing dataset.