She fled the chamber in literally the blink of an eye whilst a Republic Senator was mid-objection. I've tried to find the video but it isn't popping up readily, though I saw it live at the time with my own eyes. He had to do a double-take and change 'Madam Speaker' to 'Mister Speaker'.

Making sure she was the first one out of there. Hardly the mark of someone not knowing what unplanned event was unfolding.