March 8, 2013By Lance Baily

Free Downloadable Vital Sign Simulator & Patient Monitor

Vital Sign Simulator

Florian Schwander, ER-nurse and mega-code instructor from Switzerland wrote to to share his new software for emergency medicine simulations: The Vital Sign Simulator. This downloadable program is an open-source project, free to use and modify!
The vital sign simulator is intended for use in medical emergency training simulations. In combination with an affordable low-fidelity cpr-manikin, VSS offers a low-cost alternative to commercial high-fidelity patient simulation monitors. Vital Sign Simulator (VSS) acts as a vital sign monitor / defibrillation unit. The operator can change various values such as heartrate, blood pressure, ecg-rhythm etc; while the trainee can perform a defibrillation, pacing etc on a separate interface. VSS is used with a split-screen system, one monitor with controls for the operator and one providing the vital signs to the trainees. Heart rate, oxygen saturation, respiratory rate, blood pressure and various moving ecg-samples can be set and changed at any time by the operator. Scenario log files can be exported to an .rtf file for documentation debriefing.

  • Low-cost solution for medical emergency simulation training
  • Displays vital signs on a additional monitor (extended desktop)
  • Adjustable heart rate, blood pressure, spO2 and resp.
  • Various moving ECG-Samples
  • Defibrillation and pacing
  • Automated documentation, saving scenario log file to .rtf
  • New! Wiki with manual, tipps and tricks
Vital Sign Simulator is available in English and German for download. The program has now been under heavy development for several months and is now entering the final beta-stage with all functions available. Florian asks the healthcare simulation community to test and provide feedback about this freeware program to help improve the final version!

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  • Pascual L
    March 9, 2013 at 5:17 am

    I wonder if ther is the same program for Macintosh as I downloaded but find out it is only for windows.

  • Florian Schwander
    March 11, 2013 at 1:29 pm

    Dear Pascual,
    Vital Sign Simulator was written as a Windows application, and it goes way over my humble programming skills to convert it to a mac application, sorry!
    But you could try an emulator such as “WINE” or “Crossover” or even create a second (Windows)-OS using “BootCamp” on your mac. Try something and tell me if it works,
    THX and have a nice day!

  • Diana Lopez
    March 14, 2013 at 8:24 am


    Soy de la isla de Puerto Rico, este simulador es super! como profesora me sera de gran utilidad en los escenarios. Mi recomendaciones: Añadirles mas efectos relacionados a los sonidos respiratorios especificamente en Wezzing,Tos y edema pulmonar. Tambien me gustaria que este programa tuviera movimiento en el EKG ya que asi el estudiante se acerca mas a la realidad. Cuando este programa este completamente terminado me gustaria adquirir el mismo. Lo recomendare a otros profesores.

  • Pascual L
    March 14, 2013 at 10:06 am

    Thank you,
    I have downloaded it with a PC. It is great, as you can simulate many scenarios with enought signs.
    I recomend it.

  • Juan Garcia
    April 19, 2013 at 12:50 pm

    hi im a profesor of EMS in Puerto Rico and im interested in your app or software. its a good programe but can i recomend puting in pulse sound while the EKG is going and ALARM SOUND like the real monitor and expecialy glucose results , SAT SPO2 wave, TEMP results. thanks for your work if you can make this programe rise you can save more lives pleas don’t give up make it tha best for EMS

  • suphachai yingcharoen
    February 6, 2014 at 8:13 pm

    This program is very useful. thank you very much.

  • February 10, 2014 at 11:11 am

    Very nice, simple, and easy to use program!! I’m passing it along on our EMS educator Facebook group.

  • Liz
    February 7, 2017 at 6:03 am

    I was wondering if this app can be utilized with 2 tablets or laptops? It would be nice for it to be more portable than requiring a desktop. It looks like a very nice app, Thank you!