I agree with two of the same suggestions. CLAIM THE LANE! That is clearly a dangerous area and 99% of drivers would understand.
I ride very slowly and I claim the lane all the time when it's required and I've never had a problem with anyone trying to take it away from me. Why on earth shouldn't we do that? We are a legal "vehicle" and have the right like any other vehicle.
I'm very glad you are okay. I know what you mean about the adrenaline rush that overtakes you with the shaking and anger mixed together.

