Why is this woman so sick she needs to go to ED?
The 23-year-old student represents after mistakenly dismissing her intractable vomiting as food poisoning.

Emma is a 23-year-old student who presents to ED on a busy Monday morning.
Her chief complaint is 12 hours of intractable vomiting and mild abdominal pain.
She ascribes her symptoms to something she ate at a BBQ the day before.
Despite repeated trials of oral fluid at home, she has been unable to keep anything down.