"accident and emergancy"

ambulance crew was fantastic in supporting me, I had arrived and the ambulance crew had to remain until I was booked in 40 mins later, for me this is not acceptable when they could be out attending more patients, there was only 1 person booking in all emergency patients, why? I spent over 3 hrs in the first section before being moved to main emergency area. I needed the toilet and my friend requested assistant to be told I needed to wait for nurse to attend me, she said to the person at the desk that I was desperate and she was told I needed to wait and that they would clean me if I wet myself, seriously how bad is that. I kept asking please unlock my knee but they refused and that they needed to do an MRI scan which I was informed I would have on the 10th they sent me for an x-ray and they even got that information wrong saying it was my right knee, when it was the left one affected. I stayed on the emergency ward until 7.00 in the morning and was sent home in a taxi with no pain relief, knee still locked and no support. my knee unlocked it self after 31hrs of pain and when I attended on the 10th to be told I would not have the MRI scan and would be in 4 to 6 weeks and they said they needed to see my knee locked, where were they for the 31hrs it was locked. they put a brace on my knee and sent me home. no one seems to communicate after asking me the same questions over and over. I would also comment that this does not reflect another hospital I have stayed in which was really good in their services