At our hospital we have vocera badges for voip. If you double tap the call button it will call security for you and give them your location, they come running.

I’m sorry this happened to your colleague and you. Unfortunately healthcare takes a lot of abuse

https://pcpartpicker.com/ or https://pcpartpicker.ca if you’re Canadian is very helpful for drafting up a build or shopping for parts, specially if you’re a newbie. You can even find recommended builds on there.