"Duty of care"

Went to the hospital in an ambulance I was very poorly and was for the whole weekend I waited for a few hours before being seen they took bloods waited some more and saw a doctor all the while waiting on a chair it’s impossible for me to be sitting up with a bad back ddd I asked for a drink nothing only to be told to move and give up the chair to wait somewhere else with hard and full of other patients and nowhere to sit up took an oath and said you would look after people so I decided to leave because I couldn’t stand I didn’t get any results didn’t get a doctors advice just because a nurse decided that I needed to wait elsewhere and didn’t care to look at my file to see why I was there in the first place I was respectful I always appreciate and say thank you what is this nhs coming to am sorry but when you are a nurse your patient should be ur first priority don’t be working as a nurse if you don’t care I left in pain and unresolved health problem what should I do now I have surgery and this might hinder it they never gave me an answer as to why my blood glucose kept dropping as well thank you for nothing