# Pulse Physiology Engine

**URL:** https://discourse.kitware.com/c/pulse-physiology-engine/5.md?page=5

[Latest](https://discourse.kitware.com/latest.md) · [Categories](https://discourse.kitware.com/categories.md)

**Page:** 6

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## [Python API 4.x - Issues with loading initial state file](https://discourse.kitware.com/t/python-api-4-x-issues-with-loading-initial-state-file/950)

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**Author:** [@joe](https://discourse.kitware.com/u/joe)\
**Replies:** 3\
**Last updated:** [January 5, 2023, 2:08pm UTC](https://discourse.kitware.com/t/python-api-4-x-issues-with-loading-initial-state-file/950 "2023-01-05T14:08:11Z")

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Hello, I am trying to use Python Pulse Engine 4.x on Ubuntu, however I am getting the following error: Unable to load initial state file whenever I run any of the How To python scripts. Here’s what I’ve done so far: I…

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## [Help Pulse by Writing a Letter of Support](https://discourse.kitware.com/t/help-pulse-by-writing-a-letter-of-support/957)

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**Author:** [@rachel.clipp](https://discourse.kitware.com/u/rachel.clipp)\
**Replies:** 0\
**Last updated:** [January 4, 2023, 6:00pm UTC](https://discourse.kitware.com/t/help-pulse-by-writing-a-letter-of-support/957 "2023-01-04T18:00:04Z")

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Help Pulse by writing a letter of support. We are submitting an NIH grant to obtain funding to advance and maintain Pulse and better meet the requests of our growing community. Help us show the significance of Pulse by p…

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## [Errors in ScreneSpace Scene with PulseCSVReader](https://discourse.kitware.com/t/errors-in-screnespace-scene-with-pulsecsvreader/954)

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**Author:** [@crystal-butler](https://discourse.kitware.com/u/crystal-butler)\
**Replies:** 3\
**Last updated:** [December 23, 2022, 7:19pm UTC](https://discourse.kitware.com/t/errors-in-screnespace-scene-with-pulsecsvreader/954 "2022-12-23T19:19:11Z")

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I’m using Pulse Physiology Engine in a Unity 2020.3.40f1 project and am getting errors trying to use PulseCSVReader with the VitalsMonitorExampleData.csv file provided in the asset. I have set the data source for Camera…

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## [Cardiovascular model question](https://discourse.kitware.com/t/cardiovascular-model-question/956)

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**Author:** [@Kurt\_Sansom](https://discourse.kitware.com/u/Kurt_Sansom)\
**Replies:** 1\
**Last updated:** [December 23, 2022, 3:43pm UTC](https://discourse.kitware.com/t/cardiovascular-model-question/956 "2022-12-23T15:43:00Z")

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Hi, I am curious to use the pulse engine to emulate signals for a single organ, namely the heart. I have at a high level looked through the work of Daniel Burkhoff and would like to replicate o model used for mechanica…

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## [CSharp HowTo 4.x throw Engine Error after Advance Time](https://discourse.kitware.com/t/csharp-howto-4-x-throw-engine-error-after-advance-time/952)

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**Author:** [@joezhu](https://discourse.kitware.com/u/joezhu)\
**Replies:** 8\
**Last updated:** [December 23, 2022, 4:44am UTC](https://discourse.kitware.com/t/csharp-howto-4-x-throw-engine-error-after-advance-time/952 "2022-12-23T04:44:59Z")

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Hello: I were trying to setup the CSharp HowTo csproject. Build successful. And want to try HowTo\_RunScenarios.cs But I always got false for “pulse.ExecuteScenario(execOpts)” and output “Error running scenario” afte…

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## [PV tool for lung recruitability and PEEP](https://discourse.kitware.com/t/pv-tool-for-lung-recruitability-and-peep/926)

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**Author:** [@Ana](https://discourse.kitware.com/u/Ana)\
**Replies:** 1\
**Last updated:** [November 18, 2022, 3:50pm UTC](https://discourse.kitware.com/t/pv-tool-for-lung-recruitability-and-peep/926 "2022-11-18T15:50:24Z")

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In my app, we are teaching mechanical ventilation and I was wondering if there is anything on the Pulse Explorer that can mimic the PV tool on a mechanical ventilator? The tool is used to assess lung recruitability and i…

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## [Epinephrine not taking effect](https://discourse.kitware.com/t/epinephrine-not-taking-effect/906)

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**Author:** [@amanu7777](https://discourse.kitware.com/u/amanu7777)\
**Replies:** 6\
**Last updated:** [October 4, 2022, 4:16pm UTC](https://discourse.kitware.com/t/epinephrine-not-taking-effect/906 "2022-10-04T16:16:34Z")

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I was interested in your pulse physiology system for developing an anaphylaxis simulation and saw that one of your showcase scenarios covers this. I attempted to recreate the scenario with a standard patient but for some…

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## [Questions on ECMO functionality](https://discourse.kitware.com/t/questions-on-ecmo-functionality/887)

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**Author:** [@dhuang101](https://discourse.kitware.com/u/dhuang101)\
**Replies:** 16\
**Last updated:** [September 12, 2022, 12:40pm UTC](https://discourse.kitware.com/t/questions-on-ecmo-functionality/887 "2022-09-12T12:40:28Z")

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Hello, After playing around with the ECMO component a bit I had a a few questions regarding its implementation. Firstly, I was wondering if the sweep gas flow rate was adjustable or if it is set to a static value? Als…

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## [List of Compartment Names for Data Requests](https://discourse.kitware.com/t/list-of-compartment-names-for-data-requests/888)

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**Author:** [@dhuang101](https://discourse.kitware.com/u/dhuang101)\
**Replies:** 1\
**Last updated:** [August 18, 2022, 12:59pm UTC](https://discourse.kitware.com/t/list-of-compartment-names-for-data-requests/888 "2022-08-18T12:59:57Z")

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Hello, I was wondering if there was a list of the compartments/properties that can be used as arguments for the Unity Plugins SEDataRequest methods. (CreatePhysiologyDataRequest(), CreateLiquidCompartmentDataRequest(),…

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## [Unity Running Scenario: Unable to initialize patient](https://discourse.kitware.com/t/unity-running-scenario-unable-to-initialize-patient/872)

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**Author:** [@Ana](https://discourse.kitware.com/u/Ana)\
**Replies:** 9\
**Last updated:** [August 3, 2022, 7:47pm UTC](https://discourse.kitware.com/t/unity-running-scenario-unable-to-initialize-patient/872 "2022-08-03T19:47:15Z")

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I am sure the answer is already given somewhere but I can’t find it so i apologize in advance. I’m trying to run the VitalsMonitorScenario scene in the Unity package. The ultimate goal is to design my own scenario and i…

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## [Unity - Procedural Scenario Creation](https://discourse.kitware.com/t/unity-procedural-scenario-creation/882)

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**Author:** [@dhuang101](https://discourse.kitware.com/u/dhuang101)\
**Replies:** 4\
**Last updated:** [August 2, 2022, 12:53pm UTC](https://discourse.kitware.com/t/unity-procedural-scenario-creation/882 "2022-08-02T12:53:54Z")

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Hello, I am trying to create my own custom Scenario Driver in which the scenario is procedurally created at runtime instead of using one of the scenario files. To do this I have commented out the code which initialises…

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## [Restricting Blood Flow](https://discourse.kitware.com/t/restricting-blood-flow/866)

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**Author:** [@loneill](https://discourse.kitware.com/u/loneill)\
**Replies:** 7\
**Last updated:** [July 21, 2022, 2:21am UTC](https://discourse.kitware.com/t/restricting-blood-flow/866 "2022-07-21T02:21:43Z")

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Hello I am currently working on a project that calls for a leg amputation and application of a tourniquet using Unity. I have the amputation somewhat modelled in Pulse but I am unaware of how to simulate the tourniquet. …

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## [ECMO functionality in Unity](https://discourse.kitware.com/t/ecmo-functionality-in-unity/864)

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**Author:** [@dhuang101](https://discourse.kitware.com/u/dhuang101)\
**Replies:** 2\
**Last updated:** [July 20, 2022, 2:02am UTC](https://discourse.kitware.com/t/ecmo-functionality-in-unity/864 "2022-07-20T02:02:53Z")

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Hello, I am trying update the plugins in the Unity project so that I can use the ECMO components in Unity. I think I have correctly updated the managed plugins using the built 4.X branch on the engine but I am not sure…

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## [Unity - Issue when switching scenes](https://discourse.kitware.com/t/unity-issue-when-switching-scenes/810)

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**Author:** [@Desard](https://discourse.kitware.com/u/Desard)\
**Replies:** 10\
**Last updated:** [April 19, 2022, 2:07pm UTC](https://discourse.kitware.com/t/unity-issue-when-switching-scenes/810 "2022-04-19T14:07:12Z")

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I have a problem when switching back and forth between two scenes. I have a lobby and a game scene. In the game scene i use the code you provide to create the engine. Each time i switch to the lobby scene and then back…

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## [Adding new drug definitions](https://discourse.kitware.com/t/adding-new-drug-definitions/820)

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**Author:** [@NDMarcel](https://discourse.kitware.com/u/NDMarcel)\
**Replies:** 2\
**Last updated:** [April 11, 2022, 5:41am UTC](https://discourse.kitware.com/t/adding-new-drug-definitions/820 "2022-04-11T05:41:03Z")

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Hi, We are a VR studio currently working on a VR emergency trauma room simulation focused on communication and learning of algorithms. The application is being developed using Unreal Engine and we’re currently looking …

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## [Speed up effects of conditions and actions](https://discourse.kitware.com/t/speed-up-effects-of-conditions-and-actions/812)

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**Author:** [@Tim\_G](https://discourse.kitware.com/u/Tim_G)\
**Replies:** 4\
**Last updated:** [March 30, 2022, 6:18pm UTC](https://discourse.kitware.com/t/speed-up-effects-of-conditions-and-actions/812 "2022-03-30T18:18:58Z")

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Hi! I am very interested in implementing the Pulse engine in Unreal Engine 5 for a simulated game experience we are creating. My question is, after testing the Pulse Explorer a bit, is there a way for me to adjust the …

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## [Deploying on HoloLens 2](https://discourse.kitware.com/t/deploying-on-hololens-2/680)

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**Author:** [@juwon8](https://discourse.kitware.com/u/juwon8)\
**Replies:** 10\
**Last updated:** [March 24, 2022, 3:08am UTC](https://discourse.kitware.com/t/deploying-on-hololens-2/680 "2022-03-24T03:08:16Z")

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Hi, Everything works fine when played in Unity, but the vital signs do not work when deployed and played in HoloLens 2. Any ideas how to fix this? Thanks.

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## [4.1 Release](https://discourse.kitware.com/t/4-1-release/799)

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**Author:** [@abray](https://discourse.kitware.com/u/abray)\
**Replies:** 2\
**Last updated:** [March 18, 2022, 2:01pm UTC](https://discourse.kitware.com/t/4-1-release/799 "2022-03-18T14:01:09Z")

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We are about to release a new version of Pulse We are also going to release new builds of the Explorer and our Unity Asset concurrently was well (Note we will have a MacOS version of the explorer as well!.. Linux is st…

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## [How do you create an irregular heartrate in the engine?](https://discourse.kitware.com/t/how-do-you-create-an-irregular-heartrate-in-the-engine/754)

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**Author:** [@kylegts](https://discourse.kitware.com/u/kylegts)\
**Replies:** 3\
**Last updated:** [February 24, 2022, 3:02pm UTC](https://discourse.kitware.com/t/how-do-you-create-an-irregular-heartrate-in-the-engine/754 "2022-02-24T15:02:21Z")

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I need an irregular heartrate for a simulation I am running but it does not seem to have an option to create one?? Any help?

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## [Notice to Pulse community: Updated Call for Papers for Modeling and Simulation in Medicine - March 14](https://discourse.kitware.com/t/notice-to-pulse-community-updated-call-for-papers-for-modeling-and-simulation-in-medicine-march-14/794)

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**Author:** [@MichelODU](https://discourse.kitware.com/u/MichelODU)\
**Replies:** 0\
**Last updated:** [February 16, 2022, 2:00am UTC](https://discourse.kitware.com/t/notice-to-pulse-community-updated-call-for-papers-for-modeling-and-simulation-in-medicine-march-14/794 "2022-02-16T02:00:28Z")

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Dear members of the Pulse community, the deadline for Modeling and Simulation in Medicine is pushed back to March 14, in part to give time for an encouraging trend in the pandemic to play out and encourage reluctant aut…

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## [Reading the ECG data](https://discourse.kitware.com/t/reading-the-ecg-data/781)

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**Author:** [@szamil](https://discourse.kitware.com/u/szamil)\
**Replies:** 4\
**Last updated:** [February 11, 2022, 3:49pm UTC](https://discourse.kitware.com/t/reading-the-ecg-data/781 "2022-02-11T15:49:09Z")

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Hi, Is it possible to read the heart phase from the ECG pulse engine? The ECG is in fact a loop of the PQRSTU wave, so what I need is to know the time in loop, like percentage of the current heart cycle, where 0% would …

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## [Unity - Issue wih CreateActionOnClick Scene](https://discourse.kitware.com/t/unity-issue-wih-createactiononclick-scene/767)

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**Author:** [@rjd](https://discourse.kitware.com/u/rjd)\
**Replies:** 2\
**Last updated:** [February 4, 2022, 5:52pm UTC](https://discourse.kitware.com/t/unity-issue-wih-createactiononclick-scene/767 "2022-02-04T17:52:24Z")

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Hi, I would report an issue with Unity Pulse downloaded from UAS running the scene CreateActionOnClick Here the screenshot

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## [Lung Recruitability](https://discourse.kitware.com/t/lung-recruitability/766)

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**Author:** [@rjd](https://discourse.kitware.com/u/rjd)\
**Replies:** 8\
**Last updated:** [February 3, 2022, 3:41pm UTC](https://discourse.kitware.com/t/lung-recruitability/766 "2022-02-03T15:41:01Z")

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Does Pulse implement Lung Recruitability out of box ?

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## [c# Source Example Missing files](https://discourse.kitware.com/t/c-source-example-missing-files/696)

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**Author:** [@rjd](https://discourse.kitware.com/u/rjd)\
**Replies:** 15\
**Last updated:** [February 2, 2022, 2:11pm UTC](https://discourse.kitware.com/t/c-source-example-missing-files/696 "2022-02-02T14:11:14Z")

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Hi, opening src\\csharp\\PulseCSharp.sln I am getting missing files from “bind” folder. How can I proceed? JRD

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## [Creating a patient state for Pediatric respiratory distress simulation in Unity](https://discourse.kitware.com/t/creating-a-patient-state-for-pediatric-respiratory-distress-simulation-in-unity/757)

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**Author:** [@aiden](https://discourse.kitware.com/u/aiden)\
**Replies:** 2\
**Last updated:** [January 17, 2022, 3:00pm UTC](https://discourse.kitware.com/t/creating-a-patient-state-for-pediatric-respiratory-distress-simulation-in-unity/757 "2022-01-17T15:00:23Z")

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Hi there! My team and I are working on creating a pediatric respiratory distress simulation in Unity, specifically for the Oculus Quest. I’m unsure about how to create a custom pediatric patient state, similar to the st…

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## [build Pulse in unity Android scripting backend il2cpp](https://discourse.kitware.com/t/build-pulse-in-unity-android-scripting-backend-il2cpp/739)

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**Author:** [@Omar\_Flayyih](https://discourse.kitware.com/u/Omar_Flayyih)\
**Replies:** 11\
**Last updated:** [December 1, 2021, 9:08pm UTC](https://discourse.kitware.com/t/build-pulse-in-unity-android-scripting-backend-il2cpp/739 "2021-12-01T21:08:20Z")

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Dear All, I’m trying to build Pulse in the scripting backend “IL2CPP” unfortunately it doesn’t work as shown in the image. Can you help me with that, thanks in advance :slight\_smile:

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## [Latest master build failing](https://discourse.kitware.com/t/latest-master-build-failing/718)

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**Author:** [@bob.marinier](https://discourse.kitware.com/u/bob.marinier)\
**Replies:** 5\
**Last updated:** [October 5, 2021, 1:48pm UTC](https://discourse.kitware.com/t/latest-master-build-failing/718 "2021-10-05T13:48:54Z")

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With the release of Pulse 4.0, I’m building the latest on my machine. I’m specifically building commit 87b110bea5425c3c04af4ce66f912dbf5b07ea9b (where the 4.x branch was merged into master), and I get this error: 1\>Perf…

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## [4.x Release Coming Soon!](https://discourse.kitware.com/t/4-x-release-coming-soon/712)

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**Author:** [@abray](https://discourse.kitware.com/u/abray)\
**Replies:** 6\
**Last updated:** [September 24, 2021, 2:37pm UTC](https://discourse.kitware.com/t/4-x-release-coming-soon/712 "2021-09-24T14:37:55Z")

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Hi Pulse Community, A new version of Pulse is coming out towards the end of this month. We have added a new BVM system and our Mechanical Ventilator has gone through an extensive validation phase and is ready for the c…

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## [Vented vs. non-vented chest seal](https://discourse.kitware.com/t/vented-vs-non-vented-chest-seal/705)

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**Author:** [@bob.marinier](https://discourse.kitware.com/u/bob.marinier)\
**Replies:** 3\
**Last updated:** [August 24, 2021, 12:52pm UTC](https://discourse.kitware.com/t/vented-vs-non-vented-chest-seal/705 "2021-08-24T12:52:16Z")

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Pulse has an occlusive dressing that can be applied as part of treating an external tension pneumothorax – I assume this is equivalent to a non-vented chest seal. In real life, a non-vented chest seal may need to be “bur…

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## [Invoking Actions while Running Pulse Engine on a Terminal](https://discourse.kitware.com/t/invoking-actions-while-running-pulse-engine-on-a-terminal/688)

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**Author:** [@dlon0002](https://discourse.kitware.com/u/dlon0002)\
**Replies:** 6\
**Last updated:** [August 13, 2021, 1:57am UTC](https://discourse.kitware.com/t/invoking-actions-while-running-pulse-engine-on-a-terminal/688 "2021-08-13T01:57:56Z")

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Hi, My team and I are working on trying to extend the Pulse Engine to simulate an ECMO machine on a web server, while doing so, we are unsure about how to get Pulse Engine simulate in real time and how to get the action…

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