How i found out i was deaf in my right ear

Well hi my name is britnie and im a 13 year old female and one day something happened in a store and i became deaf in my right ear.

So here is how it happened... Me and my mom were at target shopping when someone screamed bloody murderer in my ear then ran off i fell to the ground in pain then a few seconds later i was fine...but i couldnt hear out of my right ear...weird so my mom took me to the doctors and then they told me i was deaf in my right ear PERMANENTLY so thats what happened.