Pain, poisioning, nearly dying....

Sorry but not sure if to create new thread or not.  Im a newbie here afterall

Latest trip today was  really scary, and i really want to know from the more experienced what just happened. 7g rue brew filtered and 0.4g rue 10x extract. I was expecting a very intese experience, shouldnt be too high according to my research and my own dose testing. Skipping the visual diskussion here. I want to ask directly about something,

alarming:

Around 1hr thru the trip,(i purged a little 1half hr eatlier) I got an immense pain in my stomach, i thought it was  naucea so i held it, pain went too far, breathing got harder, i tried to puke but nothing came out, i now got very terrified, my stomach felt super poisioned, pain was thru the roof, i tried to stand up and was about to  yell in pain, i remembered to breath, but it was not helping, i was feeling that i was dying. I stopped the music, was truly terrified, like really wanted to call 911. Then  somehow after some minutes this pain disapperad suddenly in seconds. I felt so good and relaxed the pain was gone. Almost no visuals during and after this pain, and shortly after the pain the trip completely stopped.

Now i really want to know what happened. Is this just a "spiritual" obe, nde  or breakthrough or some actual physical toxity from some rue or food i ingested? It was a real physical pain mainly from the abdomen like a poison or something that spread out through my body.. it was terrifying. I thought just...that....you know...that was it, im dying for real here, oh and the horrible pain....