I Went To The Dentist To Have A Tooth Extracted

I went to the dentist to have a tooth extracted a crown had came off and an abscess had occurred .they took my bp it was 288/180 .this is at a health clinic they had a rn come take my bp and it was rising still they told me to go to the er right
Now I said really drive there and the pa said yes . So by now I was practically delirious and drove my self to the er.the er dr. Said they shouldn't have sent me there for high blood pressure , of course he had labs ran cat scan urinalysis and sent me home by then bp was 140/80 .now I am very confused about the whole situation