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Related Experiment Videos

Hydra: a C-language environment for real-time DOS multitasking at the bedside

A DeGaetano1, W P Coleman, R Pizzi

  • 1CNR Centro Fisiopatologia Shock e Clinica Chirurgica, Università Cattolica del Sacro Cuore, Rome, Italy.

International Journal of Clinical Monitoring and Computing
|October 1, 1993
PubMed
Summary

A new software platform in C enables concurrent patient monitoring tasks on PCs, overcoming DOS limitations. This system allows simultaneous, independent task execution for enhanced bedside monitoring capabilities.

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Area of Science:

  • Medical Informatics
  • Computer Science

Background:

  • Bedside patient monitoring is a parallel task.
  • Personal computers (PCs) are favored for bedside use due to cost and diffusion.
  • The dominant PC operating system, DOS, lacks multitasking capabilities.

Purpose of the Study:

  • To develop a software platform for concurrent patient monitoring on PCs.
  • To enable intermediate programmers to create independent, simultaneously running modules.
  • To facilitate data sharing and task insulation for robust multitasking.

Main Methods:

  • A software platform was developed in the C programming language.
  • A cooperative, memory-sharing multitasking paradigm was implemented.
  • Features include effortless data sharing, strong task insulation, and dynamical task reprioritization.

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Main Results:

  • The platform allows independent modules to run concurrently without conflicts.
  • It supports multiple copies of the same task running simultaneously and independently.
  • Achieved superior speed, data exchange capability, and stackable windows compared to commercial packages.

Conclusions:

  • The developed C language software platform effectively addresses the multitasking limitations of DOS for bedside patient monitoring.
  • It provides a robust solution for concurrent task execution, data sharing, and dynamic resource allocation.
  • Offers enhanced performance and functionality over existing commercial packages for medical monitoring applications.