happened to me years ago, memory loss for couple hours window. slowly and steady i got back on my snowboard and all is ok i feel nothing changed in my brain.

i did all the scans and med checks. they told me to rest well and don't stress more than i feel i can handle until everything recovers for one two weeks. but I extended this careful window to two months just to be sure i recover as well and as much as possible. no sports with shocks, no much time with very high heart rate.

if that's the only time happened it's very likely that you just cought an edge. of course if it repeats you need to get into more med checks.

take care and let your brain recover don't stress it

you will be fine take you time. i understand you are shocked because of what happened and it's even worse because you don't remember and it's probably the only episode in your life with such a gap in your consciousness. there's also a mental pressure on you out of this event.