Please help me (brain damage)?

alright about 2 and a half months ago i did ecstascy and it almost killed me i was close to a coma or death and when it kicked in it hit me hard i almost thought i was gonna die insstantly but e will never get stronger than about 1 min after it kicks in and it helped me hang in remebering that but i was having a heat stroke for maybe 5 min idk i was ****** up and its scary because i didn't relize it untill i was borderline ping out and i drank a a sip and it completley revitalized me and then i drank more and than after that i went throw the hellish nightmare for 2 hours yeah to this day idk why i'm not dead but my memory got worse i wanted to know if i got brain damage or if since i took such an insane amout of e and got close to dieing that maybe it could be the neuro transmitters and they could heal back over a year or so like i didn't get any less smart i didn't forget any memories i just have a hard time bringing them up and remembering them but when i do i remember them like i did before i had the accident and i thought i would be a vegtable when it wore off but i suffered like slight memeory loss never felt happy since that day and i could swear my vision got a little worse but if it is the after affects of e how could it last so long is it possible?well either way i just need some help don't feel bad about telling me if it might not be the ex still in my system just don't be rude please. and i know this is one long run on sentence i am just tired its 230 in the morning. ps my memory got worse after the accident it isn't still getting worse