I would not call a doctor I would go to the ER ASAP!!!!!!!! That sound like she might have had an episode so to make sure she is realy okay. I would drop everything and go!!! I will pray for your daughter.
Becky

I would of course still get her checked!  If my BP was that low I would probably pass out, but then I haven't had surgery either!
Still praying for you all!
Michele

My daughter had surgery with Dr. Steinberg in August of 2007.  All post surgery tests indicate that the surgery was success.  However, she continued to have what initially appeared to be TIAs, once or twice a month.  After many trips to the emergency room, MRIs, MRAs, SPECTs, angio, EEGs, and even therapy with a child psychiatrist, we've found no clear answers.  Our local Neurologists recommended Keppra, an anti seizure medicine.  Although this appeared to work for a brief period, her symptoms have returned.  In fact, her last episode lasted about 30 minutes and didn't stop until she got the emergency room.  Symptoms start with numbness in the hands, arms and travels to her face and tongue accompanied by a migrane headache.  Neurologists recently suggested that the numbness may have been caused by migranes as opposed to a TIA or a seizure.  We're thinking of taking a trip to Stanford prior to our 3 year post surgery follow up visit but don't have high confidence that we'll find a clear answer.  Other than these episodes, she's a perfect 10 year old daughter.  Does great in school and one of the stronger swimmers in her swim team.  She's learning to manage, a real trooper, but still frightening not knowing the cause.  Sorry I don't have answers but hope my sharing provides some comfort.