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[An on-line realtime cardiotachograph]
1Dept. of Physiol., Saitama Medical School, Japan.
Summary
A new realtime cardiotachogram device effectively detects cardiac rhythm fluctuations. This apparatus records cardiac intervals ranging from 100 ms to 5 seconds for accurate heart rate monitoring.
Area of Science:
- Biomedical Engineering
- Cardiology
- Physiological Monitoring
Context:
- Cardiac rhythm variability is a critical indicator of cardiovascular health.
- Existing methods for monitoring heart rate fluctuations may lack real-time precision.
- Accurate detection of cardiac rhythm changes is essential for timely medical intervention.
Purpose:
- To develop and describe a novel apparatus for realtime detection of cardiac rhythm fluctuations.
- To outline the functional components and operational principles of the devised cardiotachogram.
- To establish the capability of the apparatus to record cardiac intervals within a specific range.
Summary:
- A realtime cardiotachogram was developed using five key components: preamplifier, slicer, trigger pulse generator, oscillator, and pulse counter.
- The apparatus processes cardiac activity signals to generate sampling pulses, which control an oscillator and pulse counter.
- The system converts pulse counts into an analog sawtooth wave output, directly proportional to cardiac intervals (100 ms to 5 seconds).
Impact:
- Enables continuous, precise monitoring of cardiac rhythm variability.
- Provides a new tool for clinical assessment and research in cardiology.
- Facilitates early detection of potential cardiac irregularities through real-time data acquisition.