Alisha has been in the eating disorder unit, which is part of a different health trust from the Queen Elizabeth, for about three weeks. Today is the second time she has been sent to A&E with heart palpitations.
The 18-year-old said that last time it took a long time for her to be seen and her problems had stopped before and so there was no further action.
A&E departments across the country are having what some people call "a challenging" time and others say is a full-blown crisis.
Queen Elizabeth Hospital Birmingham is a major trauma centre treating the most severely injured casualties from across the Midlands.