Wow, scary! Good for you, sticking to your guns and making him call in "backup". Second opinions are crucial in the medical arena, I'm convinced!
Glad everything seems okay - get and feel better soon!
And, I would be in danger city if my bp were that low! But, I'd be super tired if it was as low as what your NORMAL numbers are, so..!!! I'd let your OB worry about all of that. Was this guy a resident doc and not yet an MD? Residents bug me.