To be honest it just sounds like someone wanting attention
Not sure I'd go that far. Everyone reacts differently to an emergency situation. She may have felt that something needed to be done NOW and there wasn't time to wait for EMS to arrive, and just did what seemed the right thing to do at the time and damn the consequences to herself. I've got somewhat the same attitude, so I could see how that might apply here.
That said, knowing I'd received disciplinary action in the past I would be expecting disciplinary action for this and accept that this is something that was going to happen to me. Choices & consequences.
A 20 year old pregnant woman with a fever of 105? Here's what I'd be doing: Call 911, call the cafeteria for ice, assign a couple of students to get a LOT of wet paper towels from the bathroom, and pack her heat points to try and reduce the fever til EMS could get there. The longer she stays with a fever that high, the more likely she's going to have brain cells die. That would be more beneficial than using that time to drive her to the ER and not attending to that dangerously high fever.
But again, everyone reacts differently. It's entirely possible she just panicked.