Sources at the scene tell us (TMZ) ... Sofia and a girlfriend rushed over to the woman to help. We're told Sofia's friend had medical training and was seen checking the woman's pulse.
Both Sofia and her friend tried to keep the woman calm ... and waited by her side until security personnel and paramedics arrived to the scene.
Tried to keep her calm after she realized Sofia was hovering over here? We've been hyperventilating all day at just the thought of it. While we work on breathing in and out, here's what else is making headlines about Vegas:
●Penn to appear on the Vegas stage and "The Apprentice" simultaneously. No biggie. (Pulse of Vegas blog)
●Las Vegas is finally putting some speed behind plans to make parking downtown less crappy (Las Vegas Sun)
●Out of this world. Someone wants to launch an alien-themed brothel here in Nevada. (NerdReactor.com)
●And, no pants, no problem in Vegas on January 8th. (Las Vegas Weekly)
(Photo: Mike Tran/WireImage)