Well, A&E isn't a great place to be when you're feeling crap and already know the reason why. Especially if you have reason to believe that all they can do is, after a few uncomfortable and highly boring hours, tell you to make an appointment with your GP in the morning, and discharge you, leaving you to figure out how to manage the unplanned journey home at 9pm with no car, no money for a cab and no energy/capacity to walk. If it's really nothing unusual for you to have fallen over/passed out/lost an arm, then better to cut out the hospital middlemen and just have the ambulancepeeps tell you to find someone you can spend the next 24 hours with, and to make a GP's appointment in the morning, or call them again if it gets worse. Unfortunately it's hard to find the right point in a friendship to say "If I do this, this or this, please don't panic, don't call ambulances, don't try to manhandle me to hospital, it's nothing to worry about, just get me some water and my handbag." It's hardly a good opening gambit, you know? "Fancy a cuppa" goes down much better.