Fiance caused me to pass out during angry sex! Is this dangerous?

Here's the story: My fiance and I have been together 2yrs and we tend to argue mostly after we've been out with friends. He can be very jealous and the other night when I went to order drinks, He'd noticed I was laughing with the bartender, who was very funny since I can be a chatterbox I just got carried away, My fiance came up to me, Asked to talk to me & accused me of flirting on front of him, When i tried to tell him I wasn't he got pissed off more, Put his head level with mine and told me to behave myself, that I was disrespecting him and to knock it off. I got so angry with him, which ended up with us having a heated argument thankfully no one seemed to notice. He then said it would be better for us to leave. When he was driving home he started speeding really fast, When i asked him to slow down, That he was scaring me, he just looked at me told me to 'chill out and trust him he knows what hes doing" we bearly talked to me the whole time, I know he drove that fast just to scare the living sh!t out of me. There is still a lot of tension between us right now and I keep catching him staring at me but not really talking to me, I hate the silent treatment. Last night we ended up having sex and it was very intense, He started choking me during sex, When he normally does this very gently but last night I was just about to pass out he had to shake me and slap me to get me to regain consciousness, This morning he is still very cold towards me, I hate being like this, How can I fix it?, & please don't tell me to leave, I love him way to much to do that. Any advice is appreciated!

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